Organon.
Contributors: Porphyry, ca. 234-ca. 305.; Gilbert, de la Porrée, Bishop, ca. 1075-1154.; Boethius, d. 524; Jacobus de Venetiis, fl. 1128-1136
Publisher: Impressi per Philipū Venetum
Published: 1481
Place of publication: Venetiis
Language: lat
Number of pages: 180
Subjects: Logic -- Early works to 1800
Notes: Includes "Isagoge Porphyrii ad Predicamēta Aristotelis" and "Liber sex principiorum Gilberti Porectani".

Translated by Boethius and by Jacobus de Venetiis.  Cf. Pennsylvania.  University.  Library.  Aristotle texts and commentaries to 1700, no. 144.

Goff A-1013; GW 2391.

Leaves [1] and [180] blank.

Leaves [1] and [180] wanting; leaves [2-6] slightly mutilated.