In this brief note, I wish to highlight Proclus’ unappreciated contribution to a well-documented debate in antiquity that continues to hold great contemporary interest: what psychological characteristics, if any, distinguish humans from non-human animals?

In two chapters of Enn. II.9 [33], Plotinus discusses the Gnostic idea that the creation of the world is due to the ‘decline’ of a principle that he variously calls Soul or Sophia. The identity of Plotinus' Gnostics is notoriously difficult to establish with any degree of precision; I can only note here that the idea of Sophia's ‘decline’ features in a number of extant Gnostic texts, such as those from Nag Hammadi and the Berlin Codex, as a recent survey (...) of the evidence by Poirier has demonstrated. (shrink)

In the Neoplatonic schools, introductions to logic, and the Categories in particular, would begin with a list of ten different questions relating to Aristotle's philosophy and his ideal interpreter and student. Olympiodorus' own introduction to logic follows this pattern; he expands on the remarks of his own teacher Ammonius of Alexandria, and closely models his discussion on his predecessor's work. In the standard list of ten questions that must be discussed in an introductory philosophy course, the third relates to the (...) subject with which the student is to start his or her philosophical education. Which of logic, ethics, natural science and mathematics is the proper starting-point for philosophy? (shrink)