Abstract

In "Morals by Agreement", David Gauthier attempts to derive property rights from a moral principle called the Lockean proviso. The derivation fails, and the true implications of the moral principles which Gauthier invokes are quite different. These principles imply that persons have extensive liberties to use physical materials, but relatively few rights against interference by others in this use. Robert Nozick argues for an extensive system of property rights in "Anarchy, State, and Utopia"; his argument fails for similar reasons.