Descartes, an acknowledged founder of modern philosophy, is identified particularly with mind-body dualism--the view that the mind is an incorporeal entity. But this view was not entirely original with Descartes, and in fact to a significant extent it was widely accepted by the Aristotelian scholastics who preceded him, although they entertained a different conception of the nature of mind, body, and the relationship between them. In her first book, Marleen Rozemond explicates Descartes's aim to provide a metaphysics that would accommodate mechanistic science and supplant...