James Wilberding is Professor of Philosophy at the Humboldt-Universität zu Berlin, Germany. He has published widely on ancient philosophy, including two previous volumes in the Ancient Commentators on Aristotle series: Philoponus Against Proclus on the Eternity of the World 12-18 (Bloomsbury Academic, 2006) and Porphyry To Gaurus on How Embryos are Ensouled and On What is in Our Power (Bloomsbury Academic, 2011).Julia Trompeter is a Postdoctoral Researcher in Ancient Philosophy at Utrecht University, the Netherlands. She has published articles on ancient philosophy, and is currently writing a book on Galen’s moral psychology and editing (with Sean Couglin) a collection of scholarly essays on Michael of Ephesus.Alberto Rigolio is a Postdoctoral Fellow in the Society of Fellows in the Liberal Arts, Princeton University, USA. He is writing a book on the transformations of literate education in the Eastern Mediterranean world during Late Antiquity, arguing that Syriac literature provides crucial insights into this field.

• AbbreviationsIntroductionConventionsTranslationNotesBibliographyEnglish-Greek GlossaryGreek-English IndexSubject Index

James Wilberding is Professor of Philosophy at the Humboldt-Universität zu Berlin, Germany. He has published widely on ancient philosophy, including two previous volumes in the Ancient Commentators on Aristotle series: Philoponus Against Proclus on the Eternity of the World 12-18 (Bloomsbury Academic, 2006) and Porphyry To Gaurus on How Embryos are Ensouled and On What is in Our Power (Bloomsbury Academic, 2011).Julia Trompeter is a Postdoctoral Researcher in Ancient Philosophy at Utrecht University, the Netherlands. She has published articles on ancient philosophy, and is currently writing a book on Galen’s moral psychology and editing (with Sean Couglin) a collection of scholarly essays on Michael of Ephesus.Alberto Rigolio is a Postdoctoral Fellow in the Society of Fellows in the Liberal Arts, Princeton University, USA. He is writing a book on the transformations of literate education in the Eastern Mediterranean world during Late Antiquity, arguing that Syriac literature provides crucial insights into this field.

• AbbreviationsIntroductionConventionsTranslationNotesBibliographyEnglish-Greek GlossaryGreek-English IndexSubject Index

James Wilberding is Professor of Philosophy at the Humboldt-Universität zu Berlin, Germany. He has published widely on ancient philosophy, including two previous volumes in the Ancient Commentators on Aristotle series: Philoponus Against Proclus on the Eternity of the World 12-18 (Bloomsbury Academic, 2006) and Porphyry To Gaurus on How Embryos are Ensouled and On What is in Our Power (Bloomsbury Academic, 2011).Julia Trompeter is a Postdoctoral Researcher in Ancient Philosophy at Utrecht University, the Netherlands. She has published articles on ancient philosophy, and is currently writing a book on Galen’s moral psychology and editing (with Sean Couglin) a collection of scholarly essays on Michael of Ephesus.Alberto Rigolio is a Postdoctoral Fellow in the Society of Fellows in the Liberal Arts, Princeton University, USA. He is writing a book on the transformations of literate education in the Eastern Mediterranean world during Late Antiquity, arguing that Syriac literature provides crucial insights into this field.

• AbbreviationsIntroductionConventionsTranslationNotesBibliographyEnglish-Greek GlossaryGreek-English IndexSubject Index