This volume completes, starting from chapter 6, the commentary by the young Philoponus on Aristotle's Categories, of which chapters 1-5 were previously published in this series (Philoponus: On Aristotle Categories 1-5 with Philoponus: A Treatise Concerning the Whole and the Parts). This ancient commentary was the first work in the Aristotelian syllabus after a general introduction to Aristotle by the same author. It is influenced by an extant...