Ontology, identity, and modality : essays in metaphysics / Peter van Inwagen. Van Inwagen, Peter : Ontology. Identity (Philosophical concept) Modality (Theory of knowledge) 111 21 VAO Includes bibliographical references and index. New York : Cambridge University Press, 2001. 2001. 2001 Text 261 p. : http://www.loc.gov/catdir/description/cam021/00031180.html http://www.loc.gov/catdir/toc/cam024/00031180.html eng Cambridge studies in Philosophy