Preface

Part I. Introduction


Section 1 Generic definitions and basic modal realism


Section 2 Metaphysical versus logical possibility?


Section 3 S5


Section 4 Eight views of possibility



Part II. Applications and pseudo-applications


Section 1 Modality


Section 2 Counterfactuals and causality


Section 3 Propositions


Section 4 Properties


Section 5 Overall assessment





Part III. The Lewisian ontology of extreme modal realism


Section 1 The Lewisian account of possible worlds


Section 2 Identity vs. counterpart theory


Section 3 Indiscernible worlds?


Section 4 Lewis's arguments for his ontology


Section 5 Objections to Lewis's account of actuality


Section 6 The possibility of spatio-temporally unrelated co-actual entities


Section 7 Cardinality and the "set" of all possible worlds


Section 8 Ethical issues


Section 9 Induction and actuality


Section 10 The epistemological objection


Section 11 Explaining the actual in terms of the necessary
Section 12 A final assessment of extreme modal realism





Part IV. Platonic ersatz ontologies


Section 1 The general strategy


Section 2 Linguistic approaches


Section 3 Platonism
Section 4 Conclusions





Part V. Sketches towards a Spinozistic-Tractarian account of modality


Section 1 Asserting, naming and infallibility


Section 2 Spinoza


Section 3 A radical theory of modality


Section 4 Costs


Section 5 The less radical theory





Part VI. Aristotelian-Leibnizian ontology


Section 1 Leibniz's approach


Section 2 Aristotelian possibility and causality


Section 3 Combining with the Spinozistic-Tractarian view


Section 4 Ordinary alethic modal talk


Section 5 The Principle of Sufficient Reason


Section 6 Ontology and implications


Section 7 The main challenges to Lewisian and Platonic ontologies can be resolved
Section 9 Objections to the A-L view


Part VII. Final conclusions


Section 1 Cost-benefit arguments for the Aristotelian-Leibnizian ontology of possible worlds


Section 2 Choosing between accounts of possibility

Bibliography