Oxford Studies in Ancient Philosophy is a volume of original articles on all aspects of ancient philosophy. The articles may be of substantial length, and include critical notices of major books. OSAP is now published twice yearly, in both hardback and paperback. This volume covers a wide chronological range of ancient philosophy, from the Presocratics, Heraclitus and Anaxagoras, to Galen and Aspasius in the second century AD. At the core of the volume are five articles on Aristotle.