This volume documents the 16th Munster Lectures in Philosophy and examines five themes that are prominent in the work of philosopher and political theorist Philip Pettit. These themes are: Epistemology and Semantics, Philosophy of Mind, Consequentialism, Group Agency, and Republicanism. The book provides insight into Pettit's work and demonstrates the central role his work plays in a number of contemporary philosophical debates. Pettit's contributions to the philosophy of mind and action, rational choice theory, the philosophy of the social sciences, as well as metaethics, normative ethics...