Richard Rufus of Cornwall: Scriptum in Metaphysicam Aristotelis I. Alpha to Epsilon

This is the first great commentary in the Western European tradition of expounding Aristotle's Metaphysics. Rufus addresses questions such as 'what is truth?' `what is matter?', 'what are numbers?', `how do corruptible and incorruptible substances differ?', and `how do sensible objects act on the soul?'.