Preface

Part I. Non-Naturalist Theories of Possibility: 1. Causal argument 2. Non-Naturalist theories of possibility

Part II. A Combinatorial and Naturalist Account of Possibility: 3. Possibility in a simple world 4. Expanding and contracting the world

5. Relative atoms

6. Are there de re incompatibilities and necessities? 7. Higher-order entities, negation and causation

8. Supervenience

9. Mathematics

10. Final questions: logic Works cited

Appendix: Tractarian Nominalism Brian Skyrms

Index.