Product Description: Paul Katsafanas explores how we might justify normative claims as diverse as "murder is wrong" and "agents have reason to take the means to their ends." He offers an original account of constitutivism--the view that we can justify certain normative claims by showing that agents become committed to them simply in virtue of acting--and argues that the attractions of this view are considerable: constitutivism promises to resolve longstanding philosophical puzzles about the metaphysics, epistemology, and practical grip of normative claims...read more