This is a file in the archives of the Stanford Encyclopedia of Philosophy.

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Stanford Encyclopedia of Philosophy
Spring 1999 Edition

Edited by
Edward N. Zalta

Table of Contents

A Publication of:

The Metaphysics Research Lab
Center for the Study of Language and Information
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Stanford University
Stanford, CA 94305-4115

We would like to acknowledge support from the following institutions:
National Endowment for the Humanities
Pacific Division/American Philosophical Association
Canadian Philosophical Association