the subsequent theory of sex complementarity in medieval philosophy, and what factors led to the dominance of the Aristotelian elaboration of sex polarity and sex unity at the end of the Middle Ages. Thus, my goal in this volume is simply to bring into focus the ways in which the philosophers themselves wrote about the concept of woman. It is not to demonstrate the limitations of their thought from the perspective of a contemporary theory—a project I have undertaken elsewhere.7 There are, of course,