Did the Arabic Tradition Know a More Complete Version of Alexander’s Commentary on Aristotle’s Topics? The Evidence from Ps-Jābir’s Kitāb al-Nukhab / Kitāb al-Baḥth

This paper discusses two passages from Alexander of Aphrodisias’s commentary on Aristotle’s Topics that are transmitted in Ps-Jābir’s Kitāb al-Nukhab. It argues that the Arabic translation of Alexander’s commentary may have been made from a fuller version than what came down to us in Greek. Especially since the author of the Jābir-corpus form a tradition different from the school of Ḥunayn b. Isḥāq and authors associated to the ‘Baghdad school’, whose earliest figure is Abū Bishr Mattā b. Yūnus, the Arabic fragments of Alexander’s commentary preserved in the Kitāb al-Nukhab promise to shed more light on the early reception of the Topics and the different contexts in which Aristotelian dialectic was studied in the Islamic world.