Philosophy of language
Encyclopedia
Philosophy of language is the reasoned inquiry into the nature, origins, and usage of language. As a topic, the philosophy
Philosophy
Philosophy is the study of general and fundamental problems, such as those connected with existence, knowledge, values, reason, mind, and language. Philosophy is distinguished from other ways of addressing such problems by its critical, generally systematic approach and its reliance on rational...

 of language for analytic philosopher
Analytic philosophy
Analytic philosophy is a generic term for a style of philosophy that came to dominate English-speaking countries in the 20th century...

s is concerned with four central problems: the nature of meaning, language use
Context (language use)
Context is a notion used in the language sciences in two different ways, namely as* verbal context* social context- Verbal context :...

, language cognition
Cognition
In science, cognition refers to mental processes. These processes include attention, remembering, producing and understanding language, solving problems, and making decisions. Cognition is studied in various disciplines such as psychology, philosophy, linguistics, and computer science...

, and the relationship between language and reality
Reality
In philosophy, reality is the state of things as they actually exist, rather than as they may appear or might be imagined. In a wider definition, reality includes everything that is and has been, whether or not it is observable or comprehensible...

. For continental philosopher
Continental philosophy
Continental philosophy, in contemporary usage, refers to a set of traditions of 19th and 20th century philosophy from mainland Europe. This sense of the term originated among English-speaking philosophers in the second half of the 20th century, who used it to refer to a range of thinkers and...

s, however, the philosophy of language tends to be dealt with, not as a separate topic, but as a part of logic
Logic
In philosophy, Logic is the formal systematic study of the principles of valid inference and correct reasoning. Logic is used in most intellectual activities, but is studied primarily in the disciplines of philosophy, mathematics, semantics, and computer science...

, history
History
History is the discovery, collection, organization, and presentation of information about past events. History can also mean the period of time after writing was invented. Scholars who write about history are called historians...

 or politics
Politics
Politics is a process by which groups of people make collective decisions. The term is generally applied to the art or science of running governmental or state affairs, including behavior within civil governments, but also applies to institutions, fields, and special interest groups such as the...

. (See the section "Language and continental philosophy" below.)

First, philosophers of language inquire into the nature of meaning, and seek to explain what it means to "mean" something. Topics in that vein include the nature of synonymy, the origins of meaning itself, and how any meaning can ever really be known. Another project under this heading of special interest to analytic philosophers of language is the investigation into the manner in which sentences are composed into a meaningful whole out of the meaning of its parts.

Second, they would like to understand what speakers and listeners do with language in communication
Communication
Communication is the activity of conveying meaningful information. Communication requires a sender, a message, and an intended recipient, although the receiver need not be present or aware of the sender's intent to communicate at the time of communication; thus communication can occur across vast...

, and how it is used socially. Specific interests may include the topics of language learning
Language acquisition
Language acquisition is the process by which humans acquire the capacity to perceive, produce and use words to understand and communicate. This capacity involves the picking up of diverse capacities including syntax, phonetics, and an extensive vocabulary. This language might be vocal as with...

, language creation, and speech act
Speech act
Speech Act is a technical term in linguistics and the philosophy of language. The contemporary use of the term goes back to John L. Austin's doctrine of locutionary, illocutionary, and perlocutionary acts...

s.

Third, they would like to know how language relates to the minds of both the speaker and the interpreter. Of specific interest is the grounds for successful translation
Translation
Translation is the communication of the meaning of a source-language text by means of an equivalent target-language text. Whereas interpreting undoubtedly antedates writing, translation began only after the appearance of written literature; there exist partial translations of the Sumerian Epic of...

 of words into other words.

Finally, they investigate how language and meaning relate to truth
Truth
Truth has a variety of meanings, such as the state of being in accord with fact or reality. It can also mean having fidelity to an original or to a standard or ideal. In a common usage, it also means constancy or sincerity in action or character...

 and the world
Reference
Reference is derived from Middle English referren, from Middle French rèférer, from Latin referre, "to carry back", formed from the prefix re- and ferre, "to bear"...

. Philosophers tend to be less concerned with which sentences are actually true, and more with what kinds of meanings can be true or false. A truth-oriented philosopher of language might wonder whether or not a meaningless sentence can be true or false, or whether or not sentences can express propositions about things that do not exist, rather than the way sentences are used.

Antiquity

Linguistic speculation in India
India
India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

 is attested since the Vedic period
Vedic period
The Vedic period was a period in history during which the Vedas, the oldest scriptures of Hinduism, were composed. The time span of the period is uncertain. Philological and linguistic evidence indicates that the Rigveda, the oldest of the Vedas, was composed roughly between 1700–1100 BCE, also...

 (roughly 1500 BC) with the deification of vāk
Vak
VAK or Vak may refer to:* Vāk, Hindu goddess of speech* VAK , a system of learning styles in NLP * Chevak Airport, Alaska...

, "speech". In the West, inquiry into language stretches back to the 5th century BC with Socrates
Socrates
Socrates was a classical Greek Athenian philosopher. Credited as one of the founders of Western philosophy, he is an enigmatic figure known chiefly through the accounts of later classical writers, especially the writings of his students Plato and Xenophon, and the plays of his contemporary ...

, Plato
Plato
Plato , was a Classical Greek philosopher, mathematician, student of Socrates, writer of philosophical dialogues, and founder of the Academy in Athens, the first institution of higher learning in the Western world. Along with his mentor, Socrates, and his student, Aristotle, Plato helped to lay the...

, Aristotle
Aristotle
Aristotle was a Greek philosopher and polymath, a student of Plato and teacher of Alexander the Great. His writings cover many subjects, including physics, metaphysics, poetry, theater, music, logic, rhetoric, linguistics, politics, government, ethics, biology, and zoology...

, and the Stoic
STOIC
STOIC was a variant of Forth.It started out at the MIT and Harvard Biomedical Engineering Centre in Boston, and was written in the mid 1970s by Jonathan Sachs...

s. Both in India and in Greece, linguistic speculation predates the emergence of grammatical traditions
Grammar
In linguistics, grammar is the set of structural rules that govern the composition of clauses, phrases, and words in any given natural language. The term refers also to the study of such rules, and this field includes morphology, syntax, and phonology, often complemented by phonetics, semantics,...

 of systematic description of language, which emerged around the 7th century BC in India (see Yāska
Yaska
' ) was a Sanskrit grammarian who preceded Pāṇini , assumed to have been active in the 5th or 6th century BC.He is the author of the Nirukta, a technical treatise on etymology, lexical category and the semantics of words...

), and around the 3rd century BC in Greece (see Rhianus
Rhianus
Rhianus was a Greek poet and grammarian, a native of Crete, friend and contemporary of Eratosthenes . The Suidas says he was at first a slave and overseer of a palaestra, but obtained a good education later in life and devoted himself to grammatical studies, probably in Alexandria...

).

In the dialogue Cratylus
Cratylus (dialogue)
Cratylus is the name of a dialogue by Plato. Most modern scholars agree that it was written mostly during Plato's so-called middle period...

, Plato considered the question of whether the names of things were determined by convention or by nature. He criticized conventionalism
Conventionalism
Conventionalism is the philosophical attitude that fundamental principles of a certain kind are grounded on agreements in society, rather than on external reality...

 because it led to the bizarre consequence that anything can be conventionally denominated by any name. Hence, it cannot account for the correct or incorrect application of a name. He claimed that there was a natural correctness to names. To do this, he pointed out that compound words and phrases have a range of correctness. He also argued that primitive names had a natural correctness, because each phoneme
Phoneme
In a language or dialect, a phoneme is the smallest segmental unit of sound employed to form meaningful contrasts between utterances....

 represented basic ideas or sentiments. For example, for Plato the letter l and its sound represented the idea of softness. However, by the end of the Cratylus, he had admitted that some social conventions were also involved, and that there were faults in the idea that phonemes had individual meanings.

Aristotle concerned himself with the issues of logic
Logic
In philosophy, Logic is the formal systematic study of the principles of valid inference and correct reasoning. Logic is used in most intellectual activities, but is studied primarily in the disciplines of philosophy, mathematics, semantics, and computer science...

, categories, and meaning creation. He separated all things into categories of species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 and genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

. He thought that the meaning of a predicate
Predicate (grammar)
There are two competing notions of the predicate in theories of grammar. Traditional grammar tends to view a predicate as one of two main parts of a sentence, the other being the subject, which the predicate modifies. The other understanding of predicates is inspired from work in predicate calculus...

 was established through an abstraction of the similarities between various individual things. This theory later came to be called nominalism. However, since Aristotle took these similarities to be constituted by a real commonality of form, he is more often considered a proponent of "moderate realism".

The Stoic
Stoicism
Stoicism is a school of Hellenistic philosophy founded in Athens by Zeno of Citium in the early . The Stoics taught that destructive emotions resulted from errors in judgment, and that a sage, or person of "moral and intellectual perfection," would not suffer such emotions.Stoics were concerned...

 philosophers made important contributions to the analysis of grammar, distinguishing five parts of speech: nouns, verbs, appellatives (names or epithet
Epithet
An epithet or byname is a descriptive term accompanying or occurring in place of a name and having entered common usage. It has various shades of meaning when applied to seemingly real or fictitious people, divinities, objects, and binomial nomenclature. It is also a descriptive title...

s), conjunctions
Conjunctions
Conjunctions, is a biannual American literary journal based at Bard College. It was founded in 1981 and is currently edited by Bradford Morrow....

 and articles
Article (grammar)
An article is a word that combines with a noun to indicate the type of reference being made by the noun. Articles specify the grammatical definiteness of the noun, in some languages extending to volume or numerical scope. The articles in the English language are the and a/an, and some...

. They also developed a sophisticated doctrine of the lektón associated with each sign of a language, but distinct from both the sign itself and the thing to which it refers. This lektón was the meaning (or sense) of every term. The lektón of a sentence is what we would now call its proposition
Proposition
In logic and philosophy, the term proposition refers to either the "content" or "meaning" of a meaningful declarative sentence or the pattern of symbols, marks, or sounds that make up a meaningful declarative sentence...

. Only propositions were considered "truth-bearers" or "truth-vehicles" (i.e., they could be called true or false) while sentences were simply their vehicles of expression. Different lektá could also express things besides propositions, such as commands, questions and exclamations.

Middle Ages

Medieval philosophers were greatly interested in the subtleties of language and its usage. For many scholastics
Scholasticism
Scholasticism is a method of critical thought which dominated teaching by the academics of medieval universities in Europe from about 1100–1500, and a program of employing that method in articulating and defending orthodoxy in an increasingly pluralistic context...

, this interest was provoked by the necessity of translating Greek
Greek language
Greek is an independent branch of the Indo-European family of languages. Native to the southern Balkans, it has the longest documented history of any Indo-European language, spanning 34 centuries of written records. Its writing system has been the Greek alphabet for the majority of its history;...

 texts into Latin
Latin
Latin is an Italic language originally spoken in Latium and Ancient Rome. It, along with most European languages, is a descendant of the ancient Proto-Indo-European language. Although it is considered a dead language, a number of scholars and members of the Christian clergy speak it fluently, and...

. There were several noteworthy philosophers of language in the medieval period. According to Peter J. King, (although this has been disputed), Peter Abelard
Peter Abelard
Peter Abelard was a medieval French scholastic philosopher, theologian and preeminent logician. The story of his affair with and love for Héloïse has become legendary...

 anticipated the modern ideas of sense and reference
Sense and reference
Sinn and bedeutung are usually translated, respectively, as sense and reference. Two different aspects of some terms' meanings, a term's reference is the object that the term refers to, while the term's sense is the way that the term refers to that object.Sinn and bedeutung were introduced by...

. Also, William of Ockham
William of Ockham
William of Ockham was an English Franciscan friar and scholastic philosopher, who is believed to have been born in Ockham, a small village in Surrey. He is considered to be one of the major figures of medieval thought and was at the centre of the major intellectual and political controversies of...

's Summa Logicae
Sum of Logic
The Summa Logicae is a textbook on logic by William of Ockham. It was written around 1323.Systematically, it resembles other works of medieval logic, organised under the basic headings of the Aristotelian Predicables, Categories, terms, propositions, and syllogisms...

brought forward one of the first serious proposals for codifying a mental language.

The scholastics of the high medieval period, such as Occam and John Duns Scotus, considered logic to be a scientia sermocinalis (science of language). The result of their studies was the elaboration of linguistic-philosophical notions whose complexity and subtlety has only recently come to be appreciated. Many of the most interesting problems of modern philosophy of language were anticipated by medieval thinkers. The phenomena of vagueness and ambiguity were analyzed intensely, and this led to an increasing interest in problems related to the use of syncategorematic words such as and, or, not, if, and every. The study of categorematic words (or terms) and their properties was also developed greatly. One of the major developments of the scholastics in this area was the doctrine of the suppositio. The suppositio of a term is the interpretation that is given of it in a specific context. It can be proper or improper (as when it is used in metaphor
Metaphor
A metaphor is a literary figure of speech that uses an image, story or tangible thing to represent a less tangible thing or some intangible quality or idea; e.g., "Her eyes were glistening jewels." Metaphor may also be used for any rhetorical figures of speech that achieve their effects via...

, metonyms and other figures of speech). A proper suppositio, in turn, can be either formal or material accordingly when it refers to its usual non-linguistic referent (as in "Charles is a man"), or to itself as a linguistic entity (as in "Charles has seven letters"). Such a classification scheme is the precursor of modern distinctions between use and mention, and between language and metalanguage.

There is a tradition called speculative grammar which existed from the 11th to the 13th century. Leading scholars included, among others, Martin of Dace and Thomas of Erfurth.

Early modern period

Linguists of the Renaissance
Renaissance
The Renaissance was a cultural movement that spanned roughly the 14th to the 17th century, beginning in Italy in the Late Middle Ages and later spreading to the rest of Europe. The term is also used more loosely to refer to the historical era, but since the changes of the Renaissance were not...

 and Baroque
Baroque
The Baroque is a period and the style that used exaggerated motion and clear, easily interpreted detail to produce drama, tension, exuberance, and grandeur in sculpture, painting, literature, dance, and music...

 periods such as Johannes Goropius Becanus
Johannes Goropius Becanus
Johannes Goropius Becanus was a Dutch physician, linguist, and humanist.-Life:He was born Jan Gerartsen van Gorp in the town of Gorp, situated in the municipality of Hilvarenbeek...

, Athanasius Kircher
Athanasius Kircher
Athanasius Kircher was a 17th century German Jesuit scholar who published around 40 works, most notably in the fields of oriental studies, geology, and medicine...

 and John Wilkins
John Wilkins
John Wilkins FRS was an English clergyman, natural philosopher and author, as well as a founder of the Invisible College and one of the founders of the Royal Society, and Bishop of Chester from 1668 until his death....

 were infatuated with the idea of a philosophical language
Philosophical language
A philosophical language is any constructed language that is constructed from first principles, like a logical language, but may entail a strong claim of absolute perfection or transcendent or even mystical truth rather than satisfaction of pragmatic goals...

 reversing the confusion of tongues
Confusion of tongues
The confusion of tongues is the initial fragmentation of human languages described in the Book of Genesis 11:1–9, as a result of the construction of the Tower of Babel....

, influenced by the gradual discovery of Chinese character
Chinese character
Chinese characters are logograms used in the writing of Chinese and Japanese , less frequently Korean , formerly Vietnamese , or other languages...

s and Egyptian hieroglyphs
Egyptian hieroglyphs
Egyptian hieroglyphs were a formal writing system used by the ancient Egyptians that combined logographic and alphabetic elements. Egyptians used cursive hieroglyphs for religious literature on papyrus and wood...

 (Hieroglyphica). This thought parallels the idea that there might be a universal language of music.

European scholarship began to absorb the Indian linguistic tradition
Vyakarana
The Sanskrit grammatical tradition of ' is one of the six Vedanga disciplines. It has its roots in late Vedic India, and includes the famous work, The Sanskrit grammatical tradition of ' is one of the six Vedanga disciplines. It has its roots in late Vedic India, and includes the famous work, ...

 only from the mid-18th century, pioneered by Jean François Pons
Jean François Pons
Jean François Pons was a French Jesuit who pioneered the study of Sanskrit in the West.He published a survey of Sanskrit literature in 1743, where he described the language as "admirable for its harmony, copiousness, and energy", reporting on the parsimonity of the native grammatical tradition,...

 and Henry Thomas Colebrooke
Henry Thomas Colebrooke
Henry Thomas Colebrooke was an English orientalist.-Biography:Henry Thomas Colebrooke, third son of Sir George Colebrooke, 2nd Baronet, was born in London. He was educated at home; and when only fifteen he had made considerable attainments in classics and mathematics...

 (the editio princeps of Varadarāja
Varadaraja
Varadarāja was a 17th century Sanskrit grammarian. He compiled an abridgement of the work of his master, the Siddhānta Kaumudī of Bhaṭṭoji Dīkṣita, in three versions, referred to as madhya "middle", laghu "short" and sāra "substance, quintessence" versions of the Siddhāntakaumudī, the latter...

, a 17th century Sanskrit
Sanskrit
Sanskrit , is a historical Indo-Aryan language and the primary liturgical language of Hinduism, Jainism and Buddhism.Buddhism: besides Pali, see Buddhist Hybrid Sanskrit Today, it is listed as one of the 22 scheduled languages of India and is an official language of the state of Uttarakhand...

 grammarian, dating to 1849).

In the early 19th century, the Danish philosopher Søren Kierkegaard
Søren Kierkegaard
Søren Aabye Kierkegaard was a Danish Christian philosopher, theologian and religious author. He was a critic of idealist intellectuals and philosophers of his time, such as Georg Wilhelm Friedrich Hegel, Friedrich Wilhelm Joseph Schelling and Karl Wilhelm Friedrich Schlegel...

 insisted that language ought to play a larger role in Western philosophy. He argues that philosophy has not sufficiently focused on the role language plays in cognition and that future philosophy ought to proceed with a conscious focus on language:
Hence, language began to play a central role in Western philosophy in the late 19th century, especially with Port Royal in France, and in the English-speaking world and other parts of Europe. The foundational work was Ferdinand de Saussure
Ferdinand de Saussure
Ferdinand de Saussure was a Swiss linguist whose ideas laid a foundation for many significant developments in linguistics in the 20th century. He is widely considered one of the fathers of 20th-century linguistics...

's Cours de linguistique générale, published posthumously in 1916.

The philosophy of language then became so pervasive that for a time, in analytic philosophy
Analytic philosophy
Analytic philosophy is a generic term for a style of philosophy that came to dominate English-speaking countries in the 20th century...

 circles, philosophy as a whole was understood to be a matter of philosophy of language. In the 20th century, "language" became an even more central theme within the most diverse traditions of philosophy. The phrase "the linguistic turn
Linguistic turn
The linguistic turn was a major development in Western philosophy during the 20th century, the most important characteristic of which is the focusing of philosophy and the other humanities primarily on the relationship between philosophy and language....

" was used to describe the noteworthy emphasis that modern-day philosophers put upon language.

Composition and parts

It has long been known that there are different parts of speech. One part of the common sentence is the lexical word, which is composed of nouns, verbs, and adjectives. A major question in the field – perhaps the single most important question for formalist and structuralist
Structuralism
Structuralism originated in the structural linguistics of Ferdinand de Saussure and the subsequent Prague and Moscow schools of linguistics. Just as structural linguistics was facing serious challenges from the likes of Noam Chomsky and thus fading in importance in linguistics, structuralism...

 thinkers – is, "How does the meaning of a sentence emerge out of its parts?"
Many aspects of the problem of the composition of sentences are addressed in the field of linguistics of syntax
Syntax
In linguistics, syntax is the study of the principles and rules for constructing phrases and sentences in natural languages....

. Philosophical semantics tends to focus on the principle of compositionality
Principle of compositionality
In mathematics, semantics, and philosophy of language, the Principle of Compositionality is the principle that the meaning of a complex expression is determined by the meanings of its constituent expressions and the rules used to combine them. This principle is also called Frege's Principle,...

 in order to explain the relationship between meaningful parts and whole sentences. The principle of compositionality asserts that a sentence can be understood on the basis of the meaning of the parts of the sentence (i.e., words, morphemes) along with an understanding of its structure (i.e., syntax, logic).
It is possible to use the concept of functions to describe more than just how lexical meanings work: they can also be used to describe the meaning of a sentence. Take, for a moment, the sentence "The horse is red". We may consider "the horse" to be the product of a propositional function
Propositional function
A propositional function in logic, is a statement expressed in a way that would assume the value of true or false, except that within the statement is a variable that is not defined or specified, which leaves the statement undetermined...

. A propositional function is an operation of language that takes an entity (in this case, the horse) as an input and outputs a semantic fact (i.e., the proposition that is represented by "The horse is red"). In other words, a propositional function is like an algorithm. The meaning of "red" in this case is whatever takes the entity "the horse" and turns it into the statement, "The horse is red."

Linguists have developed at least two general methods of understanding the relationship between the parts of a linguistic string and how it is put together: syntactic and semantic trees. Syntactic
Syntax
In linguistics, syntax is the study of the principles and rules for constructing phrases and sentences in natural languages....

 trees draw upon the words of a sentence with the grammar
Grammar
In linguistics, grammar is the set of structural rules that govern the composition of clauses, phrases, and words in any given natural language. The term refers also to the study of such rules, and this field includes morphology, syntax, and phonology, often complemented by phonetics, semantics,...

of the sentence in mind. Semantic
Semantics
Semantics is the study of meaning. It focuses on the relation between signifiers, such as words, phrases, signs and symbols, and what they stand for, their denotata....

 trees, on the other hand, focus upon the role of the meaning of the words and how those meanings combine in order to provide insight onto the genesis of semantic facts.

The nature of meaning

The answer to the question, "What is meaning?" is not immediately obvious.

Geoffrey Leech
Geoffrey Leech
Geoffrey Leech was Professor of Linguistics and Modern English Language at Lancaster University from 1974 to 2002. He then became Research Professor in English Linguistics...

 posited that there are two essentially different types of linguistic meaning
Linguistic meaning
The nature of meaning, its definition, elements, and types, was discussed by philosophers Aristotle, Augustine, and Aquinas. According to them 'meaning is a relationship between two sorts of things: signs and the kinds of things they mean '. One term in the relationship of meaning necessarily...

: conceptual and associative. For Leech, the conceptual meanings of an expression have to do with the definitions of words themselves, and the features of those definitions. This kind of meaning is treated by using a technique called the semantic feature
Semantic feature
A semantic feature is a notational method which can be used to express the existence or non-existence of pre-established semantic properties by using plus and minus signs.Man is [+HUMAN], [+MALE], [+ADULT]Woman is [+HUMAN], [-MALE], [+ADULT]...

 analysis. The conceptual meaning of an expression inevitably involves both definition
Definition
A definition is a passage that explains the meaning of a term , or a type of thing. The term to be defined is the definiendum. A term may have many different senses or meanings...

 (also called "connotation
Connotation
A connotation is a commonly understood subjective cultural or emotional association that some word or phrase carries, in addition to the word's or phrase's explicit or literal meaning, which is its denotation....

" and "intension
Intension
In linguistics, logic, philosophy, and other fields, an intension is any property or quality connoted by a word, phrase or other symbol. In the case of a word, it is often implied by the word's definition...

" in the literature) and extension
Extension (semantics)
In any of several studies that treat the use of signs - for example, in linguistics, logic, mathematics, semantics, and semiotics - the extension of a concept, idea, or sign consists of the things to which it applies, in contrast with its comprehension or intension, which consists very roughly of...

 (also called "denotation
Denotation
This word has distinct meanings in other fields: see denotation . For the opposite of Denotation see Connotation.*In logic, linguistics and semiotics, the denotation of a word or phrase is a part of its meaning; however, the part referred to varies by context:** In grammar and literary theory, the...

"). The associative meaning
Associative meaning
According to the semantic analysis of Geoffrey Leech, the associative meaning of an expression has to do with individual mental understandings of the speaker...

 of an expression has to do with individual mental understandings of the speaker. They, in turn, can be broken up into six sub-types: connotative, collocative, social, affective, reflected and thematic.

Generally speaking, there have been at least six different kinds of attempts at explaining what a linguistic "meaning"
Meaning (linguistics)
In linguistics, meaning is what is expressed by the writer or speaker, and what is conveyed to the reader or listener, provided that they talk about the same thing . In other words if the object and the name of the object and the concepts in their head are the same...

 is. Each has been associated with its own body of literature.
  1. Idea theories of meaning, most commonly associated with the British empiricist
    Empiricism
    Empiricism is a theory of knowledge that asserts that knowledge comes only or primarily via sensory experience. One of several views of epistemology, the study of human knowledge, along with rationalism, idealism and historicism, empiricism emphasizes the role of experience and evidence,...

     tradition of Locke
    John Locke
    John Locke FRS , widely known as the Father of Liberalism, was an English philosopher and physician regarded as one of the most influential of Enlightenment thinkers. Considered one of the first of the British empiricists, following the tradition of Francis Bacon, he is equally important to social...

    , Berkeley
    George Berkeley
    George Berkeley , also known as Bishop Berkeley , was an Irish philosopher whose primary achievement was the advancement of a theory he called "immaterialism"...

     and Hume
    David Hume
    David Hume was a Scottish philosopher, historian, economist, and essayist, known especially for his philosophical empiricism and skepticism. He was one of the most important figures in the history of Western philosophy and the Scottish Enlightenment...

    , claim that meanings are purely mental contents provoked by signs. Although this view of meaning has been beset by a number of problems from the beginning (see the main article for details), interest in it has been renewed by some contemporary theorists under the guise of semantic internalism.
  2. Truth-conditional theories hold meaning to be the conditions under which an expression may be true or false. This tradition goes back at least to Frege
    Gottlob Frege
    Friedrich Ludwig Gottlob Frege was a German mathematician, logician and philosopher. He is considered to be one of the founders of modern logic, and made major contributions to the foundations of mathematics. He is generally considered to be the father of analytic philosophy, for his writings on...

     and is associated with a rich body of modern work, spearheaded by philosophers like Alfred Tarski
    Alfred Tarski
    Alfred Tarski was a Polish logician and mathematician. Educated at the University of Warsaw and a member of the Lwow-Warsaw School of Logic and the Warsaw School of Mathematics and philosophy, he emigrated to the USA in 1939, and taught and carried out research in mathematics at the University of...

     and Donald Davidson
    Donald Davidson (philosopher)
    Donald Herbert Davidson was an American philosopher born in Springfield, Massachusetts, who served as Slusser Professor of Philosophy at the University of California, Berkeley from 1981 to 2003 after having also held teaching appointments at Stanford University, Rockefeller University, Princeton...

    .
  3. Use theorist perspectives understand meaning to involve or be related to speech acts and particular utterances, not the expressions themselves. The later Wittgenstein
    Ludwig Wittgenstein
    Ludwig Josef Johann Wittgenstein was an Austrian philosopher who worked primarily in logic, the philosophy of mathematics, the philosophy of mind, and the philosophy of language. He was professor in philosophy at the University of Cambridge from 1939 until 1947...

     helped inaugurate the idea of "meaning as use", and a communitarian view of language. Wittgenstein was interested in the way in which the communities use language, and how far it can be taken. It is also associated with P. F. Strawson
    P. F. Strawson
    Sir Peter Frederick Strawson FBA was an English philosopher. He was the Waynflete Professor of Metaphysical Philosophy at the University of Oxford from 1968 to 1987. Before that he was appointed as a college lecturer at University College, Oxford in 1947 and became a tutorial fellow the...

    , John Searle
    John Searle
    John Rogers Searle is an American philosopher and currently the Slusser Professor of Philosophy at the University of California, Berkeley.-Biography:...

    , Robert Brandom, and others.
  4. Reference theories of meaning, also known collectively as semantic externalism
    Externalism
    Externalism is a group of positions in the philosophy of mind which hold that the mind is not only the result of what is going on inside the nervous system but also of what either occur or exist outside the subject. It is often contrasted with internalism which holds that the mind emerges out of...

    , view meaning to be equivalent to those things in the world that are actually connected to signs. There are two broad subspecies of externalism: social and environmental. The first is most closely associated with Tyler Burge
    Tyler Burge
    Tyler Burge is a Professor of Philosophy at UCLA. He has made contributions to several areas of philosophy, including the philosophy of mind, epistemology, and the history of philosophy. In the history of philosophy, he has published articles on the philosophy of Gottlob Frege...

     and the second with Hilary Putnam
    Hilary Putnam
    Hilary Whitehall Putnam is an American philosopher, mathematician and computer scientist, who has been a central figure in analytic philosophy since the 1960s, especially in philosophy of mind, philosophy of language, philosophy of mathematics, and philosophy of science...

    , Saul Kripke
    Saul Kripke
    Saul Aaron Kripke is an American philosopher and logician. He is a professor emeritus at Princeton and teaches as a Distinguished Professor of Philosophy at the CUNY Graduate Center...

     and others.
  5. Verificationist theories of meaning are generally associated with the early 20th century movement of logical positivism
    Logical positivism
    Logical positivism is a philosophy that combines empiricism—the idea that observational evidence is indispensable for knowledge—with a version of rationalism incorporating mathematical and logico-linguistic constructs and deductions of epistemology.It may be considered as a type of analytic...

    . The traditional formulation of such a theory is that the meaning of a sentence is its method of verification or falsification. In this form, the thesis was abandoned after the acceptance by most philosophers of the Duhem–Quine thesis
    Duhem–Quine thesis
    The Duhem–Quine thesis is that it is impossible to test a scientific hypothesis in isolation, because an empirical test of the hypothesis requires one or more background assumptions...

     of confirmation holism
    Confirmation holism
    Confirmation holism, also called epistemological holism is the claim that a single scientific theory cannot be tested in isolation; a test of one theory always depends on other theories and hypotheses....

     after the publication of Quine's Two Dogmas of Empiricism. However, Michael Dummett
    Michael Dummett
    Sir Michael Anthony Eardley Dummett FBA D.Litt is a British philosopher. He was, until 1992, Wykeham Professor of Logic at the University of Oxford...

     has advocated a modified form of verificationism since the 1970s. In this version, the comprehension (and hence meaning) of a sentence consists in the hearer's ability to recognize the demonstration (mathematical, empirical or other) of the truth of the sentence.
  6. A pragmatist theory of meaning is any theory in which the meaning (or understanding) of a sentence is determined by the consequences of its application. Dummett attributes such a theory of meaning to Charles Sanders Peirce and other early 20th century American
    American philosophy
    American philosophy is the philosophical activity or output of Americans, both within the United States and abroad. The Internet Encyclopedia of Philosophy notes that while American philosophy lacks a "core of defining features, American Philosophy can nevertheless be seen as both reflecting and...

     pragmatists.


Other theories exist to discuss non-linguistic meaning
Meaning (non-linguistic)
A non-linguistic meaning is an actual or possible derivation from sentience, which is not associated with signs that have any original or primary intent of communication...

 (i.e., meaning as conveyed by body language, meanings as consequences, etc.)

Reference

Investigations into how language interacts with the world are called theories of reference. Gottlob Frege
Gottlob Frege
Friedrich Ludwig Gottlob Frege was a German mathematician, logician and philosopher. He is considered to be one of the founders of modern logic, and made major contributions to the foundations of mathematics. He is generally considered to be the father of analytic philosophy, for his writings on...

 was an advocate of a mediated reference theory
Mediated reference theory
The mediated reference theory is a semantic theory that posits that words refer to something in the external world, but insists that there is more to the meaning of a name than simply the object to which it refers. It thus stands opposed to the theory of direct reference. Its most famous advocate...

. Frege divided the semantic content of every expression, including sentences, into two components:
Sinn (usually translated as "sense") and Bedeutung (translated as "meaning", "denotation", "nominatum" and "reference", among others). The sense of a sentence is the thought that it expresses. Such a thought is abstract, universal and objective. The sense of any sub-sentential expression consists in its contribution to the thought that its embedding sentence expresses. Senses determine reference and are also the modes of presentation of the objects to which expressions refer. Referents are the objects in the world that words pick out. Hence, the referents of "the evening star" and "the morning star" are the same, the planet Venus. But they are two different modes of presenting the same object and hence they have two different senses. The senses of sentences are thoughts, while their referents are truth values (true or false). The referents of sentences embedded in propositional attitude
Propositional attitude
A propositional attitude is a relational mental state connecting a person to a proposition. They are often assumed to be the simplest components of thought and can express meanings or content that can be true or false...

 ascriptions and other opaque contexts are their usual senses.

John Stuart Mill
John Stuart Mill
John Stuart Mill was a British philosopher, economist and civil servant. An influential contributor to social theory, political theory, and political economy, his conception of liberty justified the freedom of the individual in opposition to unlimited state control. He was a proponent of...

 proposed a different analysis of the relationship between meaning and reference. For him, although there were two components to consider for most terms of a language (connotation
Connotation
A connotation is a commonly understood subjective cultural or emotional association that some word or phrase carries, in addition to the word's or phrase's explicit or literal meaning, which is its denotation....

 and denotation
Denotation
This word has distinct meanings in other fields: see denotation . For the opposite of Denotation see Connotation.*In logic, linguistics and semiotics, the denotation of a word or phrase is a part of its meaning; however, the part referred to varies by context:** In grammar and literary theory, the...

), proper names, such as Bill Clinton, Bismarck or John Hodgman have only a denotation. Hence, Mill's view is what is now called a direct reference theory.

Bertrand Russell
Bertrand Russell
Bertrand Arthur William Russell, 3rd Earl Russell, OM, FRS was a British philosopher, logician, mathematician, historian, and social critic. At various points in his life he considered himself a liberal, a socialist, and a pacifist, but he also admitted that he had never been any of these things...

, in his later writings and for reasons related to his theory of acquaintance in epistemology, held that the only directly referential expressions are, what he called, "logically proper names". Logically proper names are such terms as I, now, here and other indexicals. He viewed proper names of the sort described above as "abbreviated definite descriptions". Hence Barack H. Obama may be an abbreviation for "the current President of the United States and husband of Michelle Obama". Definite descriptions are denoting phrases (see On Denoting
On Denoting
"On Denoting", written by Bertrand Russell, is one of the most significant and influential philosophical essays of the 20th century. It was published in the philosophy journal Mind in 1905; then reprinted, in both a special 2005 anniversary issue of the same journal and in Russell's Logic and...

) which are analyzed by Russell into existentially quantified logical constructions. Such phrases denote in the sense that there is an object that satisfies the description. However, such objects are not to be considered meaningful on their own, but have meaning only in the proposition
Proposition
In logic and philosophy, the term proposition refers to either the "content" or "meaning" of a meaningful declarative sentence or the pattern of symbols, marks, or sounds that make up a meaningful declarative sentence...

 expressed by the sentences of which they are a part. Hence, they are not directly referential in the same way as logically proper names, for Russell.

On Frege's account, any referring expression
Referring expression
A referring expression , in linguistics, is any noun phrase, or surrogate for a noun phrase, whose function in a text is "pick out" someone an individual person, place, object, or a set of persons, places, objects, etc. The technical terminology for "pick out" differs a great deal from one...

 has a sense as well as a referent. Such a "mediated reference" view has certain theoretical advantages over Mill's view. For example, co-referential names, such as Samuel Clemens and Mark Twain, cause problems for a directly referential view because it is possible for someone to hear "Mark Twain is Samuel Clemens" and be surprised – thus, their cognitive content seems different. Mill's views also run into trouble in dealing with names without bearers. The sentence "Pegasus is the winged horse of Greek mythology" seems to be a perfectly meaningful, even true, sentence. But, according to Mill's view, "Pegasus" has no meaning because it has no referent. Hence, following the principle of compositionality, the sentence itself is neither true nor false and has no meaning. Several other difficulties have also been noted in the literature.

Despite the differences between the views of Frege and Russell, they are generally lumped together as descriptivists
Descriptivist theory of names
Descriptivist theory of names is a view of the nature of the meaning and reference of proper names generally attributed to Gottlob Frege and Bertrand Russell...

 about proper names. Such descriptivism was criticized in Saul Kripke
Saul Kripke
Saul Aaron Kripke is an American philosopher and logician. He is a professor emeritus at Princeton and teaches as a Distinguished Professor of Philosophy at the CUNY Graduate Center...

's Naming and Necessity.

Kripke put forth what has come to be known as "the modal argument" (or "argument from rigidity"). Consider the name Aristotle and the descriptions "the greatest student of Plato", "the founder of logic" and "the teacher of Alexander". Aristotle
Aristotle
Aristotle was a Greek philosopher and polymath, a student of Plato and teacher of Alexander the Great. His writings cover many subjects, including physics, metaphysics, poetry, theater, music, logic, rhetoric, linguistics, politics, government, ethics, biology, and zoology...

 obviously satisfies all of the descriptions (and many of the others we commonly associate with him), but it is not necessarily true that if Aristotle existed then Aristotle was any one, or all, of these descriptions. Aristotle may well have existed without doing any single one of the things for which he is known to posterity. He may have existed and not have become known to posterity at all or he may have died in infancy. Suppose that Aristotle is associated by Mary with the description “the last great philosopher of antiquity” and (the actual) Aristotle died in infancy. Then Mary’s description would seem to refer to Plato. But this is deeply counterintuitive. Hence, names are rigid designator
Rigid designator
In modal logic and the philosophy of language, a term is said to be a rigid designator when it designates the same thing in all possible worlds in which that thing exists and does not designate anything else in those possible worlds in which that thing does not exist...

s
, according to Kripke. That is, they refer to the same individual in every possible world in which that individual exists. In the same work, Kripke articulated several other arguments against "Frege-Russell" descriptivism.

Innateness and learning

Some of the major issues at the intersection of philosophy of language and philosophy of mind are also dealt with in modern psycholinguistics
Psycholinguistics
Psycholinguistics or psychology of language is the study of the psychological and neurobiological factors that enable humans to acquire, use, comprehend and produce language. Initial forays into psycholinguistics were largely philosophical ventures, due mainly to a lack of cohesive data on how the...

. Some important questions are How much of language is innate? Is language acquisition a special faculty in the mind? What is the connection between thought and language?

There are three general perspectives on the issue of language learning. The first is the behaviorist perspective, which dictates that not only is the solid bulk of language learned, but it is learned via conditioning. The second is the hypothesis testing perspective, which understands the child's learning of syntactic rules and meanings to involve the postulation and testing of hypotheses, through the use of the general faculty of intelligence. The final candidate for explanation is the innatist
Psychological nativism
In the field of psychology, nativism is the view that certain skills or abilities are 'native' or hard wired into the brain at birth. This is in contrast to empiricism, the 'blank slate' or tabula rasa view, which states that the brain has inborn capabilities for learning from the environment but...

 perspective, which states that at least some of the syntactic settings are innate and hardwired, based on certain modules of the mind.

There are varying notions of the structure of the brain when it comes to language. Connectionist
Connectionism
Connectionism is a set of approaches in the fields of artificial intelligence, cognitive psychology, cognitive science, neuroscience and philosophy of mind, that models mental or behavioral phenomena as the emergent processes of interconnected networks of simple units...

 models emphasize the idea that a person's lexicon and their thoughts operate in a kind of distributed, associative
Associationism
Associationism in philosophy refers to the idea that mental processes operate by the association of one state with its successor states.The idea is first recorded in Plato and Aristotle, especially with regard to the succession of memories....

 network. Nativist model
Psychological nativism
In the field of psychology, nativism is the view that certain skills or abilities are 'native' or hard wired into the brain at birth. This is in contrast to empiricism, the 'blank slate' or tabula rasa view, which states that the brain has inborn capabilities for learning from the environment but...

s assert that there are specialized devices
Language acquisition device
The Language Acquisition Device is a postulated "organ" of the brain that is supposed to function as a congenital device for learning symbolic language . First proposed by Noam Chomsky, the LAD concept is an instinctive mental capacity which enables an infant to acquire and produce language. It is...

 in the brain that are dedicated to language acquisition. Computation models emphasize the notion of a representational language of thought
Language of thought
In philosophy of mind, the language of thought hypothesis put forward by American philosopher Jerry Fodor describes thoughts as represented in a "language" that allows complex thoughts to be built up by combining simpler thoughts in various ways...

 and the logic-like, computational processing that the mind performs over them. Emergentist
Emergentism
In philosophy, emergentism is the belief in emergence, particularly as it involves consciousness and the philosophy of mind, and as it contrasts with reductionism. A property of a system is said to be emergent if it is in some sense more than the "sum" of the properties of the system's parts...

 models focus on the notion that natural faculties are a complex system that emerge out of simpler biological parts. Reductionist
Reductionism
Reductionism can mean either an approach to understanding the nature of complex things by reducing them to the interactions of their parts, or to simpler or more fundamental things or a philosophical position that a complex system is nothing but the sum of its parts, and that an account of it can...

 models attempt to explain higher-level mental processes in terms of the basic low-level neurophysiological activity of the brain.

Language and thought

An important problem which touches both philosophy of language and philosophy of mind
Philosophy of mind
Philosophy of mind is a branch of philosophy that studies the nature of the mind, mental events, mental functions, mental properties, consciousness and their relationship to the physical body, particularly the brain. The mind-body problem, i.e...

 is to what extent language influences thought and vice-versa. There have been a number of different perspectives on this issue, each offering a number of insights and suggestions.

Linguists Sapir and Whorf
Linguistic relativity
The principle of linguistic relativity holds that the structure of a language affects the ways in which its speakers are able to conceptualize their world, i.e. their world view...

 suggested that language limited the extent to which members of a "linguistic community" can think about certain subjects (a hypothesis paralleled in George Orwell
George Orwell
Eric Arthur Blair , better known by his pen name George Orwell, was an English author and journalist...

's novel Nineteen Eighty-Four
Nineteen Eighty-Four
Nineteen Eighty-Four by George Orwell is a dystopian novel about Oceania, a society ruled by the oligarchical dictatorship of the Party...

). In other words, language was analytically prior to thought. Philosopher Michael Dummett
Michael Dummett
Sir Michael Anthony Eardley Dummett FBA D.Litt is a British philosopher. He was, until 1992, Wykeham Professor of Logic at the University of Oxford...

 is also a proponent of the "language-first" viewpoint.

The stark opposite to the Sapir–Whorf position is the notion that thought (or, more broadly, mental content) has priority over language. The "knowledge-first" position can be found, for instance, in the work of Paul Grice
Paul Grice
Herbert Paul Grice , usually publishing under the name H. P. Grice, H...

. Further, this view is closely associated with Jerry Fodor
Jerry Fodor
Jerry Alan Fodor is an American philosopher and cognitive scientist. He holds the position of State of New Jersey Professor of Philosophy at Rutgers University and is the author of many works in the fields of philosophy of mind and cognitive science, in which he has laid the groundwork for the...

 and his language of thought
Language of thought
In philosophy of mind, the language of thought hypothesis put forward by American philosopher Jerry Fodor describes thoughts as represented in a "language" that allows complex thoughts to be built up by combining simpler thoughts in various ways...

 hypothesis. According to his argument, spoken and written language derive their intentionality and meaning from an internal language encoded in the mind. The main argument in favor of such a view is that the structure of thoughts and the structure of language seem to share a compositional, systematic character. Another argument is that it is difficult to explain how signs and symbols on paper can represent anything meaningful unless some sort of meaning is infused into them by the contents of the mind. One of the main arguments against is that such levels of language can lead to an infinite regress. In any case, many philosophers of mind and language, such as Ruth Millikan
Ruth Millikan
Ruth Garrett Millikan is a well-known American philosopher of biology, psychology, and language. She was awarded the Jean Nicod Prize and gave the Jean Nicod Lectures in Paris in 2002....

, Fred Dretske
Fred Dretske
Frederick Irwin Dretske is a philosopher noted for his contributions to epistemology and the philosophy of mind. His more recent work centers on conscious experience and self-knowledge. Additionally, he was awarded the Jean Nicod Prize in 1994...

 and Fodor, have recently turned their attention to explaining the meanings of mental contents and states directly.

Another tradition of philosophers has attempted to show that language and thought are coextensive – that there is no way of explaining one without the other. Donald Davidson, in his essay "Thought and Talk", argued that the notion of belief could only arise as a product of public linguistic interaction. Daniel Dennett
Daniel Dennett
Daniel Clement Dennett is an American philosopher, writer and cognitive scientist whose research centers on the philosophy of mind, philosophy of science and philosophy of biology, particularly as those fields relate to evolutionary biology and cognitive science. He is currently the Co-director of...

 holds a similar interpretationist view of propositional attitude
Propositional attitude
A propositional attitude is a relational mental state connecting a person to a proposition. They are often assumed to be the simplest components of thought and can express meanings or content that can be true or false...

s. To an extent, the theoretical underpinnings to cognitive semantics
Cognitive semantics
Cognitive semantics is part of the cognitive linguistics movement. The main tenets of cognitive semantics are, first, that grammar is conceptualisation; second, that conceptual structure is embodied and motivated by usage; and third, that the ability to use language draws upon general cognitive...

 (including the notion of semantic framing
Framing (social sciences)
A frame in social theory consists of a schema of interpretation — that is, a collection of anecdotes and stereotypes—that individuals rely on to understand and respond to events. In simpler terms, people build a series of mental filters through biological and cultural influences. They use these...

) suggest the influence of language upon thought. However, the same tradition views meaning and grammar as a function of conceptualization, making it difficult to assess in any straightfoward way.

Some thinkers, like the ancient sophist Gorgias
Gorgias
Gorgias ,Greek sophist, pre-socratic philosopher and rhetorician, was a native of Leontini in Sicily. Along with Protagoras, he forms the first generation of Sophists. Several doxographers report that he was a pupil of Empedocles, although he would only have been a few years younger...

, have questioned whether or not language was capable of capturing thought at all.
There are studies that prove that languages shape how people understand causality. Some of them were performed by Lera Boroditsky
Lera Boroditsky
Lera Boroditsky is an Assistant Professor of Psychology at Stanford University and Editor in Chief of Frontiers in Cultural Psychology. Professor Boroditsky does research in cognitive science with a specific focus on cognitive linguistics. She studies language and cognition, specifically...

. For example, English speakers tend to say things like "John broke the vase" even for accidents. However, Spanish
Spanish language
Spanish , also known as Castilian , is a Romance language in the Ibero-Romance group that evolved from several languages and dialects in central-northern Iberia around the 9th century and gradually spread with the expansion of the Kingdom of Castile into central and southern Iberia during the...

 or Japanese
Japanese language
is a language spoken by over 130 million people in Japan and in Japanese emigrant communities. It is a member of the Japonic language family, which has a number of proposed relationships with other languages, none of which has gained wide acceptance among historical linguists .Japanese is an...

 speakers would be more likely to say "the vase broke itself." In studies conducted by Caitlin Fausey at Stanford University
Stanford University
The Leland Stanford Junior University, commonly referred to as Stanford University or Stanford, is a private research university on an campus located near Palo Alto, California. It is situated in the northwestern Santa Clara Valley on the San Francisco Peninsula, approximately northwest of San...

 speakers of English, Spanish and Japanese watched videos of two people popping balloons, breaking eggs and spilling drinks either intentionally or accidentally. Later everyone was asked whether they could remember who did what. Spanish and Japanese speakers did not remember the agents of accidental events as well as did English speakers. In another study, English speakers watched the video of Janet Jackson
Janet Jackson
Janet Damita Jo Jackson is an American recording artist and actress. Known for a series of sonically innovative, socially conscious and sexually provocative records, as well as elaborate stage shows, television and film roles, she has been a prominent figure in popular culture for over 25 years...

's infamous "wardrobe malfunction
Wardrobe malfunction
A wardrobe malfunction is a euphemism for accidental exposure of intimate parts. It is different from flashing, as the latter implies a deliberate exposure...

", accompanied by one of two written reports. The reports were identical except in the last sentence where one used the agentive phrase "ripped the costume" while the other said "the costume ripped." The people who read "ripped the costume" blamed Justin Timberlake
Justin Timberlake
Justin Randall Timberlake is an American pop musician and actor. He achieved early fame when he appeared as a contestant on Star Search, and went on to star in the Disney Channel television series The New Mickey Mouse Club, where he met future bandmate JC Chasez...

 more.

Russian
Russian language
Russian is a Slavic language used primarily in Russia, Belarus, Uzbekistan, Kazakhstan, Tajikistan and Kyrgyzstan. It is an unofficial but widely spoken language in Ukraine, Moldova, Latvia, Turkmenistan and Estonia and, to a lesser extent, the other countries that were once constituent republics...

 speakers, who make an extra distinction between light and dark blue in their language, are better able to visually discriminate shades of blue. The Piraha
Pirahã people
The Pirahã people are an indigenous hunter-gatherer tribe of Amazon natives, a subgroup of the Mura, who mainly live on the banks of the Maici River in Brazil's Amazonas state, in the territory on Humaitá and Manicoré municipality....

, a tribe in Brazil
Brazil
Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

, whose language has only terms like few and many instead of numerals, are not able to keep track of exact quantities.

In one study German and Spanish speakers were asked to describe objects having opposite gender
Gender
Gender is a range of characteristics used to distinguish between males and females, particularly in the cases of men and women and the masculine and feminine attributes assigned to them. Depending on the context, the discriminating characteristics vary from sex to social role to gender identity...

 assignment in those two languages. The descriptions they gave differed in a way predicted by grammatical gender
Grammatical gender
Grammatical gender is defined linguistically as a system of classes of nouns which trigger specific types of inflections in associated words, such as adjectives, verbs and others. For a system of noun classes to be a gender system, every noun must belong to one of the classes and there should be...

. For example, when asked to describe a "key" — a word that is masculine in German and feminine in Spanish — the German
German language
German is a West Germanic language, related to and classified alongside English and Dutch. With an estimated 90 – 98 million native speakers, German is one of the world's major languages and is the most widely-spoken first language in the European Union....

 speakers were more likely to use words like "hard," "heavy," "jagged," "metal," "serrated," and "useful," whereas Spanish speakers were more likely to say "golden," "intricate," "little," "lovely," "shiny," and "tiny." To describe a "bridge," which is feminine in German and masculine in Spanish, the German speakers said "beautiful," "elegant," "fragile," "peaceful," "pretty," and "slender," and the Spanish speakers said "big," "dangerous," "long," "strong," "sturdy," and "towering." This was the case even though all testing was done in English, a language without grammatical gender.

There are also studies in which people were asked to look at a series of images of imaginary aliens. Whether each alien was friendly or hostile was determined by certain subtle features but participants were not told what these were. They had to guess whether each alien was friendly or hostile, and after each response they were told if they were correct or not, helping them learn the subtle cues that distinguished friend from foe. A quarter of the participants were told in advance that the friendly aliens were called "leebish" and the hostile ones "grecious", while another quarter were told the opposite. For the rest, the aliens remained nameless. It was found that participants who were given names for the aliens learned to categorize the aliens far more quickly, reaching 80 per cent accuracy in less than half the time taken by those not told the names. By the end of the test, those told the names could correctly categorize 88 per cent of aliens, compared to just 80 per cent for the rest. It was concluded that naming objects helps us categorize and memorize them.

In another experiment a group of people was asked to view furniture from an IKEA
IKEA
IKEA is a privately held, international home products company that designs and sells ready-to-assemble furniture such as beds and desks, appliances and home accessories. The company is the world's largest furniture retailer...

 catalog. Half the time they were asked to label the object - whether it was a chair or lamp, for example - while the rest of the time they had to say whether or not they liked it. It was found that when asked to label items, people were later less likely to recall the specific details of products, such as whether a chair had arms or not. It was concluded that labeling objects helps our minds build a prototype of the typical object in the group at the expense of individual features.

Social interaction and language

A common claim is that language is governed by social conventions. Questions inevitably arise on surrounding topics. One question is, "What exactly is a convention, and how do we study it?", and second, "To what extent do conventions even matter in the study of language?" David Kellogg Lewis
David Kellogg Lewis
David Kellogg Lewis was an American philosopher. Lewis taught briefly at UCLA and then at Princeton from 1970 until his death. He is also closely associated with Australia, whose philosophical community he visited almost annually for more than thirty years...

 proposed a worthy reply to the first question by expounding the view that a convention is a rationally self-perpetuating regularity in behavior. However, this view seems to compete to some extent with the Gricean view of speaker's meaning, requiring either one (or both) to be weakened if both are to be taken as true.

Some have questioned whether or not conventions are relevant to the study of meaning at all. Noam Chomsky
Noam Chomsky
Avram Noam Chomsky is an American linguist, philosopher, cognitive scientist, and activist. He is an Institute Professor and Professor in the Department of Linguistics & Philosophy at MIT, where he has worked for over 50 years. Chomsky has been described as the "father of modern linguistics" and...

 proposed that the study of language could be done in terms of the I-Language, or internal language of persons. If this is so, then it undermines the pursuit of explanations in terms of conventions, and relegates such explanations to the domain of "meta-semantics". Metasemantics is a term used by philosopher of language Robert Stainton to describe all those fields that attempt to explain how semantic facts arise. One fruitful source of research involves investigation into the social conditions that give rise to, or are associated with, meanings and languages. Etymology
Etymology
Etymology is the study of the history of words, their origins, and how their form and meaning have changed over time.For languages with a long written history, etymologists make use of texts in these languages and texts about the languages to gather knowledge about how words were used during...

(the study of the origins of words) and stylistics
Stylistics (linguistics)
Stylistics is the study and interpretation of texts from a linguistic perspective. As a discipline it links literary criticism and linguistics, but has no autonomous domain of its own...

(philosophical argumentation over what makes "good grammar", relative to a particular language) are two other examples of fields that are taken to be meta-semantic.

Not surprisingly, many separate (but related) fields have investigated the topic of linguistic convention within their own research paradigms. The presumptions that prop up each theoretical view are of interest to the philosopher of language. For instance, one of the major fields of sociology, symbolic interactionism
Symbolic interactionism
Symbolic Interaction, also known as interactionism, is a sociological theory that places emphasis on micro-scale social interaction to provide subjective meaning in human behavior, the social process and pragmatism.-History:...

, is based on the insight that human social organization is based almost entirely on the use of meanings. In consequence, any explanation of a social structure
Social structure
Social structure is a term used in the social sciences to refer to patterned social arrangements in society that are both emergent from and determinant of the actions of the individuals. The usage of the term "social structure" has changed over time and may reflect the various levels of analysis...

 (like an institution
Institution
An institution is any structure or mechanism of social order and cooperation governing the behavior of a set of individuals within a given human community...

) would need to account for the shared meanings which create and sustain the structure.

Rhetoric
Rhetoric
Rhetoric is the art of discourse, an art that aims to improve the facility of speakers or writers who attempt to inform, persuade, or motivate particular audiences in specific situations. As a subject of formal study and a productive civic practice, rhetoric has played a central role in the Western...

 is the study of the particular words that people use in order to achieve the proper emotional and rational effect in the listener, be it to persuade, provoke, endear, or teach. Some relevant applications of the field include the examination of propaganda
Propaganda
Propaganda is a form of communication that is aimed at influencing the attitude of a community toward some cause or position so as to benefit oneself or one's group....

 and didacticism, the examination of the purposes of swearing
Profanity
Profanity is a show of disrespect, or a desecration or debasement of someone or something. Profanity can take the form of words, expressions, gestures, or other social behaviors that are socially constructed or interpreted as insulting, rude, vulgar, obscene, desecrating, or other forms.The...

 and pejorative
Pejorative
Pejoratives , including name slurs, are words or grammatical forms that connote negativity and express contempt or distaste. A term can be regarded as pejorative in some social groups but not in others, e.g., hacker is a term used for computer criminals as well as quick and clever computer experts...

s (especially how it influences the behavior of others, and defines relationships), or the effects of gendered language. It can also be used to study linguistic transparency (or speaking in an accessible manner), as well as performative utterances and the various tasks that language can perform (called "speech acts"). It also has applications to the study and interpretation of law, and helps give insight to the logical concept of the domain of discourse
Domain of discourse
In the formal sciences, the domain of discourse, also called the universe of discourse , is the set of entities over which certain variables of interest in some formal treatment may range...

.

Literary theory
Literary theory
Literary theory in a strict sense is the systematic study of the nature of literature and of the methods for analyzing literature. However, literary scholarship since the 19th century often includes—in addition to, or even instead of literary theory in the strict sense—considerations of...

 is a discipline that some literary theorists claim overlaps with the philosophy of language. It emphasizes the methods that readers and critics use in understanding a text. This field, an outgrowth of the study of how to properly interpret messages, is unsurprisingly closely tied to the ancient discipline of hermeneutics.

Language and continental philosophy

In continental philosophy
Continental philosophy
Continental philosophy, in contemporary usage, refers to a set of traditions of 19th and 20th century philosophy from mainland Europe. This sense of the term originated among English-speaking philosophers in the second half of the 20th century, who used it to refer to a range of thinkers and...

, language is not studied as a separate discipline, as it is in analytic philosophy
Analytic philosophy
Analytic philosophy is a generic term for a style of philosophy that came to dominate English-speaking countries in the 20th century...

. Rather, it is an inextricable part of many other areas of thought, such as phenomenology, semiotics
Semiotics
Semiotics, also called semiotic studies or semiology, is the study of signs and sign processes , indication, designation, likeness, analogy, metaphor, symbolism, signification, and communication...

, hermeneutics, Heideggerean ontology
Ontology
Ontology is the philosophical study of the nature of being, existence or reality as such, as well as the basic categories of being and their relations...

, existentialism
Existentialism
Existentialism is a term applied to a school of 19th- and 20th-century philosophers who, despite profound doctrinal differences, shared the belief that philosophical thinking begins with the human subject—not merely the thinking subject, but the acting, feeling, living human individual...

, structuralism
Structuralism
Structuralism originated in the structural linguistics of Ferdinand de Saussure and the subsequent Prague and Moscow schools of linguistics. Just as structural linguistics was facing serious challenges from the likes of Noam Chomsky and thus fading in importance in linguistics, structuralism...

, deconstruction
Deconstruction
Deconstruction is a term introduced by French philosopher Jacques Derrida in his 1967 book Of Grammatology. Although he carefully avoided defining the term directly, he sought to apply Martin Heidegger's concept of Destruktion or Abbau, to textual reading...

 and critical theory
Critical theory
Critical theory is an examination and critique of society and culture, drawing from knowledge across the social sciences and humanities. The term has two different meanings with different origins and histories: one originating in sociology and the other in literary criticism...

. The idea of language is often related to that of logic in its Greek sense as "Logos", meaning discourse or dialectic. Language and concepts are also seen as having been formed by history and politics, or even by historical philosophy itself.

The field of hermeneutics, and the theory of interpretation in general, has played a significant role in 20th century continental philosophy
Continental philosophy
Continental philosophy, in contemporary usage, refers to a set of traditions of 19th and 20th century philosophy from mainland Europe. This sense of the term originated among English-speaking philosophers in the second half of the 20th century, who used it to refer to a range of thinkers and...

 of language and ontology
Ontology
Ontology is the philosophical study of the nature of being, existence or reality as such, as well as the basic categories of being and their relations...

 beginning with Martin Heidegger
Martin Heidegger
Martin Heidegger was a German philosopher known for his existential and phenomenological explorations of the "question of Being."...

. Heidegger combines phenomenology with the hermeneutics of Wilhelm Dilthey
Wilhelm Dilthey
Wilhelm Dilthey was a German historian, psychologist, sociologist and hermeneutic philosopher, who held Hegel's Chair in Philosophy at the University of Berlin. As a polymathic philosopher, working in a modern research university, Dilthey's research interests revolved around questions of...

. Heidegger believed language was one of the most important concepts for Dasein
Dasein
Dasein is a German word famously used by Martin Heidegger in his magnum opus Being and Time, which generally translates to being in its ontological and philosophical sense Dasein is a German word famously used by Martin Heidegger in his magnum opus Being and Time, which generally translates to...

: "Language is the house of being, which is propriated by being and pervaded by being." However, Heidegger believed that language today is worn out because of overuse of important words, and would be inadequate for in-depth study of Being (Sein). For example, Sein (being), the word itself, is saturated with multiple meanings. Thus, he invented new vocabulary and linguistic styles
Stylistics (linguistics)
Stylistics is the study and interpretation of texts from a linguistic perspective. As a discipline it links literary criticism and linguistics, but has no autonomous domain of its own...

, based on Ancient Greek
Ancient Greek
Ancient Greek is the stage of the Greek language in the periods spanning the times c. 9th–6th centuries BC, , c. 5th–4th centuries BC , and the c. 3rd century BC – 6th century AD of ancient Greece and the ancient world; being predated in the 2nd millennium BC by Mycenaean Greek...

 and Germanic etymological
Etymology
Etymology is the study of the history of words, their origins, and how their form and meaning have changed over time.For languages with a long written history, etymologists make use of texts in these languages and texts about the languages to gather knowledge about how words were used during...

 word relations, to disambiguate commonly used words. He avoid words like consciousness, ego, human, nature, etc. and instead talks holistically of Being-in-the-world, Dasein
Dasein
Dasein is a German word famously used by Martin Heidegger in his magnum opus Being and Time, which generally translates to being in its ontological and philosophical sense Dasein is a German word famously used by Martin Heidegger in his magnum opus Being and Time, which generally translates to...

.

With such new concepts as Being-in-the-world, Heidegger constructs his theory of language, centered around speech. He believed speech (talking, listening, silence) was the most essential and pure form of language. Heidegger claims writing is only a supplement to speech, because even a reader constructs or contributes one's own "talk" while reading. The most important feature of language is its projectivity, the idea that language is prior to human speech. This means that when one is "thrown" into the world, his existence is characterized from the beginning by a certain pre-comprehension of the world. However, it is only after naming, or "articulation of intelligibility", can one have primary access to Dasein and Being-in-the-World.

Hans-Georg Gadamer
Hans-Georg Gadamer
Hans-Georg Gadamer was a German philosopher of the continental tradition, best known for his 1960 magnum opus, Truth and Method .-Life:...

 expanded on these ideas of Heidegger and proposed a complete hermeneutic ontology. In Truth and Method, Gadamer describes language as "the medium in which substantive understanding and agreement take place between two people." In addition, Gadamer claims that the world is linguistically constituted, and cannot exist apart from language. For example, monuments and statues cannot communicate without the aid of language. Gadamer also claims that every language constitutes a world-view, because the linguistic nature of the world frees each individual from an objective environment: "... the fact that we have a world at all depends upon [language] and presents itself in it. The world as world exists for man as for no other creature in the world."

Paul Ricœur, on the other hand, proposed a hermeneutics which, reconnecting with the original Greek sense of the term, emphasized the discovery of hidden meanings in the equivocal terms (or "symbols") of ordinary language. Other philosophers who have worked in this tradition include Luigi Pareyson
Luigi Pareyson
Luigi Pareysón was an Italian philosopher.-Biography:Luigi Pareyson was born on 4 February 1918, in Piasco, in the province of Cuneo...

 and Jacques Derrida
Jacques Derrida
Jacques Derrida was a French philosopher, born in French Algeria. He developed the critical theory known as deconstruction and his work has been labeled as post-structuralism and associated with postmodern philosophy...

.

Semiotics
Semiotics
Semiotics, also called semiotic studies or semiology, is the study of signs and sign processes , indication, designation, likeness, analogy, metaphor, symbolism, signification, and communication...

 is the study of the transmission, reception and meaning of signs and symbols in general. In this field, human language (both natural and artificial) is just one among many ways that humans (and other conscious beings) are able to communicate. It allows them to take advantage of and effectively manipulate the external world in order to create meaning for themselves and transmit this meaning to others. Every object, every person, every event, and every force communicates (or signifies) continuously. The ringing of a telephone for example, is the telephone. The smoke that I see on the horizon is the sign that there is a fire. The smoke signifies. The things of the world, in this vision, seem to be labeled precisely for intelligent beings who only need to interpret them in the way that humans do. Everything has meaning. True communication, including the use of human language, however, requires someone (a sender) who sends a message, or text, in some code to someone else (a receiver). Language is studied only insofar as it is one of these forms (the most sophisticated form) of communication. Some important figures in the history of semiotics, are Charles Sanders Peirce, Roland Barthes
Roland Barthes
Roland Gérard Barthes was a French literary theorist, philosopher, critic, and semiotician. Barthes' ideas explored a diverse range of fields and he influenced the development of schools of theory including structuralism, semiotics, existentialism, social theory, Marxism, anthropology and...

, and Roman Jakobson
Roman Jakobson
Roman Osipovich Jakobson was a Russian linguist and literary theorist.As a pioneer of the structural analysis of language, which became the dominant trend of twentieth-century linguistics, Jakobson was among the most influential linguists of the century...

. In modern times, its best-known figures include Umberto Eco
Umberto Eco
Umberto Eco Knight Grand Cross is an Italian semiotician, essayist, philosopher, literary critic, and novelist, best known for his novel The Name of the Rose , an intellectual mystery combining semiotics in fiction, biblical analysis, medieval studies and literary theory...

, A.J. Greimas, Louis Hjelmslev
Louis Hjelmslev
Louis Hjelmslev was a Danish linguist whose ideas formed the basis of the Copenhagen School of linguistics. Born into an academic family , Hjelmslev studied comparative linguistics in Copenhagen, Prague and Paris...

, and Tullio De Mauro
Tullio De Mauro
Tullio De Mauro is an Italian linguist and politician.He was born in Torre Annunziata, Province of Naples. He in 1963 he published the monumental Storia linguistica dell'Italia unita...

. Investigations on signs in non-human communications are subject to biosemiotics
Biosemiotics
Biosemiotics is a growing field that studies the production, action and interpretation of signs in the biological realm...

, a field founded in the late 20th century by Thomas Sebeok
Thomas Sebeok
Thomas Albert Sebeok was a polymathic American semiotician and linguist.- Life and work :...

 and Thure von Uexkuell.

Vagueness

One issue that has bothered philosophers of language and logic is the problem of the vagueness
Vagueness
The term vagueness denotes a property of concepts . A concept is vague:* if the concept's extension is unclear;* if there are objects which one cannot say with certainty whether belong to a group of objects which are identified with this concept or which exhibit characteristics that have this...

 of words. The specific instances of vagueness that most interest philosophers of language are those where the existence of "borderline cases" make it seemingly impossible to say whether a predicate is true or false of them. Classic examples are "is tall" or "is bald", where it can't be said that some borderline case (some given person) is tall or not-tall. In consequence, vagueness gives rise to the Paradox of the heap. Many theorists have attempted to solve the paradox by way of n-valued logics, such as fuzzy logic
Fuzzy logic
Fuzzy logic is a form of many-valued logic; it deals with reasoning that is approximate rather than fixed and exact. In contrast with traditional logic theory, where binary sets have two-valued logic: true or false, fuzzy logic variables may have a truth value that ranges in degree between 0 and 1...

, which have radically departed from classical two-valued logics.

Problem of universals and composition

One debate that has captured the interest of many philosophers is the debate over the meaning of universals. One might ask, for example, "When people say the word rocks, what is it that the word represents?" Two different answers have emerged to this question. Some have said that the expression stands for some real, abstract universal out in the world called "rocks". Others have said that the word stands for some collection of particular, individual rocks that we happen to put into a common category. The former position has been called philosophical realism
Philosophical realism
Contemporary philosophical realism is the belief that our reality, or some aspect of it, is ontologically independent of our conceptual schemes, linguistic practices, beliefs, etc....

, and the latter nominalism
Nominalism
Nominalism is a metaphysical view in philosophy according to which general or abstract terms and predicates exist, while universals or abstract objects, which are sometimes thought to correspond to these terms, do not exist. Thus, there are at least two main versions of nominalism...

.

The issue here can be explicated if we examine the proposition "Socrates is a Man".

From the radical realist's perspective, the connection between S and M is a connection between two abstract entities. There is an entity, "man", and an entity, "Socrates". These two things connect together in some way or overlap one another.

From a nominalist's perspective, the connection between S and M is the connection between a particular entity (Socrates) and a vast collection of particular things (men). To say that Socrates is a man is to say that Socrates is a part of the class of "men". Another perspective is to consider "man" to be a property of the entity, "Socrates".

There is a third way, between nominalism and radical realism, usually called "moderate realism" and attributed to Aristotle and Thomas Aquinas. Moderate realists hold that "man" refers to a real essence or form that is really present and identical in Socrates and all other men, but "man" does not exist as a separate and distinct entity. This is a realist position, because "Man" is real, insofar as it really exists in all men; but it is a moderate realism, because "Man" is not an entity separate from the men it informs.

The nature of language

Many philosophical discussions of language begin by clarifying terminology. One item which has undergone significant scrutiny is the idea of language itself. Those philosophers who have set themselves to the task ask two important questions: "What is language in general?" and "What is a particular, individual language?"

Some semiotic outlooks have stressed that language is the mere manipulation and use of symbols in order to draw attention to signified content. If this were so, then humans would not be the sole possessors of language skills. On the other hand, many works by linguist Noam Chomsky
Noam Chomsky
Avram Noam Chomsky is an American linguist, philosopher, cognitive scientist, and activist. He is an Institute Professor and Professor in the Department of Linguistics & Philosophy at MIT, where he has worked for over 50 years. Chomsky has been described as the "father of modern linguistics" and...

 have emphasized the role of syntax as a characteristic of any language.

More puzzling is the question of what it is that distinguishes one particular language from another. What is it that makes "English" English? What's the difference between Spanish and French? Chomsky has indicated that the search for what it means to be a language must begin with the study of the internal language of persons, or I-languages, which are based upon certain rules (or principles and parameters) which generate grammars. This view is supported in part by the conviction that there is no clear, general, and principled difference between one language and the next, and which may apply across the field of all languages. Other attempts, which he dubs E-languages, have tried to explain a language as usage within a specific speech community with a specific set of well-formed utterances in mind (markedly associated with linguists like Bloomfield).

Formal versus informal approaches

Another of the questions that has divided philosophers of language is the extent to which formal logic can be used as an effective tool in the analysis and understanding of natural languages. While most philosophers, including Frege
Gottlob Frege
Friedrich Ludwig Gottlob Frege was a German mathematician, logician and philosopher. He is considered to be one of the founders of modern logic, and made major contributions to the foundations of mathematics. He is generally considered to be the father of analytic philosophy, for his writings on...

, Alfred Tarski
Alfred Tarski
Alfred Tarski was a Polish logician and mathematician. Educated at the University of Warsaw and a member of the Lwow-Warsaw School of Logic and the Warsaw School of Mathematics and philosophy, he emigrated to the USA in 1939, and taught and carried out research in mathematics at the University of...

 and Rudolf Carnap
Rudolf Carnap
Rudolf Carnap was an influential German-born philosopher who was active in Europe before 1935 and in the United States thereafter. He was a major member of the Vienna Circle and an advocate of logical positivism....

, have been more or less skeptical about formalizing natural languages, many of them developed formal languages for use in the sciences or formalized parts of natural language for investigation. Some of the most prominent members of this tradition of formal semantics include Tarski, Carnap, Richard Montague
Richard Montague
Richard Merett Montague was an American mathematician and philosopher.-Career:At the University of California, Berkeley, Montague earned an B.A. in Philosophy in 1950, an M.A. in Mathematics in 1953, and a Ph.D. in Philosophy 1957, the latter under the direction of the mathematician and logician...

 and Donald Davidson
Donald Davidson (philosopher)
Donald Herbert Davidson was an American philosopher born in Springfield, Massachusetts, who served as Slusser Professor of Philosophy at the University of California, Berkeley from 1981 to 2003 after having also held teaching appointments at Stanford University, Rockefeller University, Princeton...

.

On the other side of the divide, and especially prominent in the 1950s and 60s, were the so-called "Ordinary language philosophers". Philosophers such as P. F. Strawson
P. F. Strawson
Sir Peter Frederick Strawson FBA was an English philosopher. He was the Waynflete Professor of Metaphysical Philosophy at the University of Oxford from 1968 to 1987. Before that he was appointed as a college lecturer at University College, Oxford in 1947 and became a tutorial fellow the...

, John Langshaw Austin and Gilbert Ryle
Gilbert Ryle
Gilbert Ryle , was a British philosopher, a representative of the generation of British ordinary language philosophers that shared Wittgenstein's approach to philosophical problems, and is principally known for his critique of Cartesian dualism, for which he coined the phrase "the ghost in the...

 stressed the importance of studying natural language without regard to the truth-conditions of sentences and the references of terms. They did not believe that the social and practical dimensions of linguistic meaning could be captured by any attempts at formalization using the tools of logic. Logic is one thing and language is something entirely different. What is important is not expressions themselves but what people use them to do in communication.

Hence, Austin developed a theory of speech act
Speech act
Speech Act is a technical term in linguistics and the philosophy of language. The contemporary use of the term goes back to John L. Austin's doctrine of locutionary, illocutionary, and perlocutionary acts...

s, which described the kinds of things which can be done with a sentence (assertion, command, inquiry, exclamation) in different contexts of use on different occasions. Strawson argued that the truth-table semantics of the logical connectives (e.g., , and ) do not capture the meanings of their natural language counterparts ("and", "or" and "if-then"). While the "ordinary language" movement basically died out in the 1970s, its influence was crucial to the development of the fields of speech-act theory and the study of pragmatics
Pragmatics
Pragmatics is a subfield of linguistics which studies the ways in which context contributes to meaning. Pragmatics encompasses speech act theory, conversational implicature, talk in interaction and other approaches to language behavior in philosophy, sociology, and linguistics. It studies how the...

. Many of its ideas have been absorbed by theorists such as Kent Bach
Kent Bach
Kent Bach is an American philosopher and Professor of Philosophy at San Francisco State University. His primary areas of research include the philosophy of language, linguistics and epistemology...

, Robert Brandom, Paul Horwich
Paul Horwich
Paul Horwich is a British analytic philosopher at New York University, whose work includes writings on causality, the philosophy of language and Wittgenstein's later philosophy. Horwich earned his PhD from Cornell University; his thesis advisor was Richard Boyd...

 and Stephen Neale
Stephen Neale
Stephen Roy Albert Neale is Distinguished Professor of Philosophy and Linguistics and holder of the John H. Kornblith Family Chair in the Philosophy of Science and Values at the Graduate Center, City University of New York...

.

While keeping these traditions in mind, the question of whether or not there is any grounds for conflict between the formal and informal approaches is far from being decided. Some theorists, like Paul Grice
Paul Grice
Herbert Paul Grice , usually publishing under the name H. P. Grice, H...

, have been skeptical of any claims that there is a substantial conflict between logic and natural language.

Translation and Interpretation

Translation and interpretation are two other problems that philosophers of language have attempted to confront. In the 1950s, W.V. Quine argued for the indeterminacy of meaning and reference based on the principle of radical translation
Radical translation
Radical translation is a term invented by American philosopher W. V. O. Quine to describe the situation in which a linguist is attempting to translate a completely unknown language, which is unrelated to his own, and is therefore forced to rely solely on the observed behavior of its speakers in...

. In Word and Object
Word and Object
Word and Object is a 1960 book of epistemology by Willard Van Orman Quine. In it, Quine develops his thesis of the Indeterminacy of translation....

, Quine asks the reader to imagine a situation in which he is confronted with a previously undocumented, primitive tribe and must attempt to make sense of the utterances and gestures that its members make. This is the situation of radical translation.

He claimed that, in such a situation, it is impossible in principle to be absolutely certain of the meaning or reference that a speaker of the primitive tribe's language attaches to an utterance. For example, if a speaker sees a rabbit and says "gavagai", is she referring to the whole rabbit, to the rabbit's tail, or to a temporal part of the rabbit. All that can be done is to examine the utterance as a part of the overall linguistic behaviour of the individual, and then use these observations to interpret the meaning of all other utterances. From this basis, one can form a manual of translation. But, since reference is indeterminate, there will be many such manuals, no one of which is more correct than the others. For Quine, as for Wittgenstein and Austin, meaning is not something that is associated with a single word or sentence, but is rather something that, if it can be attributed at all, can only be attributed to a whole language. The resulting view is called semantic holism
Semantic holism
Semantic holism is a doctrine in the philosophy of language to the effect that a certain part of language, be it a term or a complete sentence, can only be understood through its relations to a larger segment of language. There is substantial controversy, however, as to exactly what the larger...

.

Inspired by Quine's discussion, Donald Davidson
Donald Davidson (philosopher)
Donald Herbert Davidson was an American philosopher born in Springfield, Massachusetts, who served as Slusser Professor of Philosophy at the University of California, Berkeley from 1981 to 2003 after having also held teaching appointments at Stanford University, Rockefeller University, Princeton...

extended the idea of radical translation to the interpretation of utterences and behavior within a single linguistic community. He dubbed this notion radical interpretation. He suggested that the meaning that any individual ascribed to a sentence could only be determined by attributing meanings to many, perhaps all, of the individual's assertions as well as his mental states and attitudes.

External links

  • Philosophy of Language, from the Internet Encyclopedia of Philosophy
  • Sprachlogik short articles in the philosophies of logic and language
  • Glossary of Linguistic terms
  • What is I-language? - Chapter 1 of I-language: An Introduction to Linguistics as Cognitive Science.
  • The London Philosophy Study Guide offers many suggestions on what to read, depending on the student's familiarity with the subject: Philosophy of Language
  • Carnap, R., (1956). Meaning and Necessity: a Study in Semantics and Modal Logic. University of Chicago Press.
  • Collins, John. (2001). http://www.sorites.org/Issue_13/collins.htm
  • Devitt, Michael and Hanley, Richard, eds. (2006) The Blackwell Guide to the Philosophy of Language. Oxford: Blackwell.
  • Greenberg, Mark and Harman, Gilbert. (2005). Conceptual Role Semantics. http://www.princeton.edu/~harman/Papers/CRS.pdf
  • Hale, B. and Crispin Wright, Ed. (1999). Blackwell Companions To Philosophy. Malden, Massachusetts, Blackwell Publishers.
  • Lepore, Ernest and Barry C. Smith (eds). (2006). The Oxford Handbook of Philosophy of Language. Oxford University Press.
  • Lycan, W. G. (2000). Philosophy of Language: A Contemporary Introduction. New York, Routledge.
  • Miller, James. (1999). http://archives.econ.utah.edu/archives/pen-l/1999m12.1/msg00185.htm
  • Searle, John (2007). Philosophy of Language: an interview with John Searle. ReVEL, vol. 5, n. 8. http://www.revel.inf.br/site2007/_pdf/8/entrevistas/revel_8_interview_john_searle.pdf
  • Stainton, Robert J. (1996). Philosophical perspectives on language. Peterborough, Ont., Broadview Press.
  • Tarski, Alfred. (1944). The Semantical Conception of Truth. http://www.ditext.com/tarski/tarski.html
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