Ibn Bāğğa’s commentary on Aristotle’s On Generation and Corruption (Kitāb al-Kawn wa-l-fasād, Latin De generatione et corruptione) is one of the first commentaries to elaborate on the essential aspect of Aristotle’s text, that is, the analysis of change (μεταβολή, taġayyur). The commentary’s extant parts comprise a consecutive exposition of the contents of Aristotle’s work. However, the commentary may be read more as an introduction or a guide to the topic of generation than as a substitution for the original, as the paraphrases by Averroes seem to have become in the...

This book offers a new edition, with English translation and commentary, of the Kitāb al-Madḫal, which opens Avicenna’s (d. 1037) most comprehensive summa of Peripatetic philosophy, namely the Kitāb al-Šifāʾ. For the first time, the text is established together with a stemma codicum showing the genealogical relations among 34 manuscripts, the twelfth-century Latin translation, and the literal quotations by Avicenna’s first and second-generation students. In this book, Avicenna’s reappraisal of Porphyry’s Isagoge is examined from both a historical and a philosophical point of...