Modalities

Introduction ; 1. Modalities and Intensional Languages ; 2. Iterated Deontic Modalities ; 3. Essentialism in Modal Logic ; 4. Essential attribution ; Appendix: Strict implication, deducibility and the deduction theorem ; 5. Quantification and ontology ; 6. Classes, collections, assortments, and individuals ; 7. Does the principle of substitutivity rest on a mistake? ; 8. Nominalism and the substitutional quantifier ; 9. Moral dilemmas and consistency ; 10. Rationality and believing the impossible ; 11. Spinoza and the ontological proof ; 12. On some post-1920s views of Russell on particularity, identity and individiation ; 13. Possibilia and possible worlds ; 14. A backward look at Quine's animadversions on modalities ; 15. Some revisionary proposals about belief and believing