First published 1887

Isagoge

by Porphyry

The Isagoge is Porphyry's Greek introduction to Aristotle's Categories, written in Sicily between 268 and 270. In Boethius's Latin translation it became the standard logic textbook for a millennium. Edward W. Warren's English translation was published in Toronto in 1975.

Editions tracked
1
Editions

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Editions

  1. Pontifical Institute of Mediaeval Studies1975 Hardback I own Isagoge, Pontifical Institute of Mediaeval Studies 1975 Log in to want this

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About the book

Awards, adaptations and setting

Adaptations

  • Glossae in Porphyrium adaptation, 900

In print

Editions recorded
10 on Open Library, 1 in English
Wikipedia
Articles in 20 languages

From Wikidata and Open Library, both CC0. A prize or a new adaptation often lifts demand for the first printing.

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Questions collectors ask

Frequently asked questions

How many editions of Isagoge are there?

We track 1 edition of Isagoge. Each has its own page with how to identify it.

Has Isagoge been adapted?

Yes, including Glossae in Porphyrium (adaptation, 900), according to Wikidata.

When was Isagoge first published?

Isagoge by Porphyry was first published in 1887.

Sources

Where these facts come from

Every fact on this page was checked against the sources listed. Checked 23 October 2026. Reviewed by Harriet Ellis; read how we check facts.

More pictures

Open medieval manuscript of Porphyry's Isagoge with a blue and red illuminated initial and glosses
A manuscript of Porphyry's Isagoge with Aristotle, about 1290, in the Biblioteca Medicea Laurenziana, Florence.Sailko, CC BY 3.0, via Wikimedia Commons · CC BY 3.0
Medieval manuscript page with the opening of Porphyry's Isagoge in dense Greek script
Beginning of Porphyry's Isagoge in a medieval manuscript at the Biblioteca Nazionale Marciana, Venice (Gr. IV 53).Public domain, via Wikimedia Commons · Public domain