| What Is Philosophy? | |
| Title Orig: | Was ist das - die Philosophie |
| Author: | Martin Heidegger |
| Country: | Germany |
| Language: | German |
| Subjects: | Thought, Ontology |
| Publisher: | 1956: Günther Neske |
| Pub Date: | 1956 |
| English Pub Date: | 1958; New Haven, College and University Press (Twayne Publishers) |
| Isbn: | 978-0808403197 |
What Is Philosophy? (de|Was ist das - die Philosophie) is a book by the philosopher Martin Heidegger. It is the published version of a lecture course he gave at Cerisy-la-Salle in 1955.[1] It was translated into English by William Kluback and Jean T. Wilde.[2]