  While feminist philosophy has been instrumental in critiquing and reconstructing many branches of philosophy, from aesthetics to philosophy of science, feminist political philosophy may be the paradigmatic branch of feminist philosophy because it best exemplifies the point of feminist theory, which is, to borrow a phrase from Marx, not only to understand the world but to change it (Marx and Engels 1998). And, though other fields have effects that may change the world, feminist political philosophy focuses most directly on understanding ways in which collective life can be improved. This project involves understanding the ways in which power emerges and is used or misused in public life (see the entry on   feminist perspectives on power).    As with other kinds of feminist theory, common themes have emerged for discussion and critique, but there has been little in the way of consensus among feminist theorists on what is the best way to understand them.  This introductory article lays out the various schools of thought and areas of concern that have occupied this vibrant field of philosophy for the past forty years. It understands feminist philosophy broadly to include work conducted by feminist theorists doing this philosophical work from other disciplines, especially political science but also anthropology, comparative literature, law, and other programs in the humanities and social sciences.