Originally published in 1992. The central part of this book concerns the existence of universals. Starting with the mediaeval definition of the issue, the author then considers modern and contemporary versions of the battle between naturalists and ontologists.

1. The Discovery of the World: Timeless Being 2. The Battle Over the World: Universals 3. The Structure of the World: The Categories 4. The Substratum of the World: Existence 5. The Enigma of the World: Negation