Zairja
Encyclopedia
A zairja was a device used by medieval Arab astrologer
Astrologer
An astrologer practices one or more forms of astrology. Typically an astrologer draws a horoscope for the time of an event, such as a person's birth, and interprets celestial points and their placements at the time of the event to better understand someone, determine the auspiciousness of an...

s to generate ideas by mechanical means. The name may derive from a mixture of the Persian
Persian language
Persian is an Iranian language within the Indo-Iranian branch of the Indo-European languages. It is primarily spoken in Iran, Afghanistan, Tajikistan and countries which historically came under Persian influence...

 words zaicha ("horoscope, astronomical table") and daira ("circle").

Ibn Khaldun
Ibn Khaldun
Ibn Khaldūn or Ibn Khaldoun was an Arab Tunisian historiographer and historian who is often viewed as one of the forerunners of modern historiography, sociology and economics...

 described it as: "a branch of the science of letter magic, practiced among the authorities on letter magic, is the technique of finding out answers from questions by means of connections existing between the letters of the expressions used in the question. They imagine that these connections can form the basis for knowing the future happenings they want to know." He suggests that rather than being supernatural it works "from an agreement in the wording of question and answer ... with the help of the technique called the technique of 'breaking down'" (i.e. algebra).

It used the 28 letters of the Arabic alphabet
Arabic alphabet
The Arabic alphabet or Arabic abjad is the Arabic script as it is codified for writing the Arabic language. It is written from right to left, in a cursive style, and includes 28 letters. Because letters usually stand for consonants, it is classified as an abjad.-Consonants:The Arabic alphabet has...

 to signify 28 categories of philosophic thought. By combining number values associated with the letters and categories, new paths of insight and thought were created.

According to Ibn Khaldun the most detailed treatment of it is a pseudographical work "Za'irajah of the World" attributed to as-Sabti
Abu al-Abbas as-Sabti
Sidi Bel Abbas or Sidi Ahmed abu al-Abbas al-Khazraji as-Sabti is the patron saint of Marrakesh. He is also one of the "Seven Saints" of the city...

, which contains operating instructions in hundreds of lines of verse, beginning:


Select a star rise. Figure out its signs.

Reverse its root. Straighten it out with the cycle.

Someone will perceive those things. He will achieve his purpose

And be given their letters in whose arrangement the evidence lies...


A manuscript in Rabat
Rabat
Rabat , is the capital and third largest city of the Kingdom of Morocco with a population of approximately 650,000...

 recounts Ibn Khaldun's introduction to the machine by Al-Marjānī in 1370 (772 AH), and claims that it was a traditional and ancient science. When Ibn Khaldun expressed skepticism, the pair asked the instrument how old it was, and was told by the machine it was invented by the prophet Idris
Idris (prophet)
Idris‘ is an Islamic prophet mentioned in the Qur'an whom the Qur'an says was exalted by God to a high station in life. Although Idris is, at times, identified with the Biblical Enoch, the true Biblical identity of Idris remains uncertain...

 (identified with the Biblical Enoch).

It has been suggested that Catalan
Catalonia
Catalonia is an autonomous community in northeastern Spain, with the official status of a "nationality" of Spain. Catalonia comprises four provinces: Barcelona, Girona, Lleida, and Tarragona. Its capital and largest city is Barcelona. Catalonia covers an area of 32,114 km² and has an...

-Majorcan mystic, Ramon Llull
Ramon Llull
Ramon Llull was a Majorcan writer and philosopher, logician and tertiary Franciscan. He wrote the first major work of Catalan literature. Recently-surfaced manuscripts show him to have anticipated by several centuries prominent work on elections theory...

 in his travels and studies of Arab culture, became familiar with the zairja, and used it as a prototype for his invention of the Ars Magna.

Further reading

In "Scrambling T-R-U-T-H: Rotating Letters as a Material Form of Thought", David Link provides a clear description and a full history of the device with a representation of the Arabic letters involved.

External links

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