Canadian philosopher Yhap presents evidence that third-century Greco- Roman thinker Plotinus had a scientific knowledge of the sensible reality. Applying a dialectical method of analysis to his treatises The Three Initial Hypostases and On Love, she finds a distinction between superior reason, whose nature is to be an act, and inferior reason, whose nature is affected by potentiality. Distributed in the US by Associated University Presses. Annotation ©2003 Book News, Inc., Portland, OR