Logic literature

1781 philosophical work by Immanuel Kant

thumb|Organon thumb|Roman copy in marble of a Greek bronze bust of Aristotle by Lysippos, c. 330 BC, with modern alabaster mantle

work by Aristotle

work by Aristotle

Sanskrit text of the Nyaya school of Hindu philosophy

The Isagoge (, Eisagōgḗ; ) or "Introduction" to Aristotle's "Categories", written by Porphyry in Greek and translated into Latin by Boethius, was the standard textbook on logic for at least a millennium after his death. It was composed by Porphyry in Sicily during the years 268–270, and sent to Chrysaorium, according to all the ancient commentators Ammonius, Elias, and David. The work includes the highly influential hierarchical classification of genera and species from substance in general down to individuals, known as the Tree of Porphyry, and an introduction which mentions the problem of un

work by Aristotle

work by Aristotle

work by Aristotle

1095 CE book by Al-Ghazali

1817 book by Georg Wilhelm Friedrich Hegel

work by Aristotle