Introduction to Metaphysics (Heidegger)

Introduction to Metaphysics is a book by Martin Heidegger

Martin Heidegger

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

 and is the published version of a lecture course he gave in the Summer of 1935 at the University of Freiburg

University of Freiburg

The University of Freiburg , sometimes referred to in English as the Albert Ludwig University of Freiburg, is a public research university located in Freiburg im Breisgau, Baden-Württemberg, Germany.The university was founded in 1457 by the Habsburg dynasty as the...

. The book is famous both for its powerful reinterpretation of Greek thought and infamous for its acknowledgement of the Nazi Party. The content of these lectures was not published in Germany until 1953, under the title Einführung in die Metaphysik (English translation Introduction to Metaphysics).

Heidegger commended this book along with his work Being and Time

Being and Time

Being and Time is a book by the German philosopher Martin Heidegger. Although written quickly, and despite the fact that Heidegger never completed the project outlined in the introduction, it remains his most important work and has profoundly influenced 20th-century philosophy, particularly...

(1927), as summarising his views at that time (1953) on 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...

. Contrary to Heidegger's various statements about Introduction to Metaphysics, some scholars believe that this book is more detailed and specific to his earlier work than the title or publication date may suggest.