The Cambridge Companion to OckhamThe Franciscan William of Ockham was an English medieval philosopher, theologian, and political theorist. Ockham is important not only in the history of philosophy and theology, but also in the development of early modern science and of modern notions of property rights and church state relations. This volume offers a full discussion of all significant aspects of Ockham's thought: logic, philosophy of language, metaphysics and natural philosophy,