Abstract

The purpose of this study is to provide evidence that Ibn Bāǧǧa’s commentaries on al- Fārābī’s logical writings reveal a perpetuation of al-Fārābī’s logic in Andalusia and that they also assist us in the recognition of the nature and achievement of this logic. Ibn Bāǧǧa’s Introduction or Eisagoge is a commentary on al-Fārābī’s introductory Letter and the Five Aphorisms, as well as subsequent logical treatises of al-Fārābī. Ibn Bāǧǧa, in agreement with al-Fārābī, presents logic as consisting of five syllogistic arts, rhetoric, poetry, dialectic, sophistry and demonstration. These arts are constituted by both the form and matter of logic, the matter referring to the five syllogistic arts in which the form of logic is employed. Ibn Ḫaldūn later testifies to this comprehensive account of the five syllogistic arts articulated primarily by al-Fārābī but also in some measure by Ibn Sīnā, and says that, by his time, this account of the syllogistic arts had been replaced by a more limited a...