Interest in the metaphysics and logic of possible worlds goes back at least as far as Aristotle, but few books address the history of these important concepts.

Interest in the metaphysics and logic of possible worlds goes back at least as far as Aristotle, but few books address the history of these important concepts.

Introduces readers to the history of necessity and possibility, two modal concepts which play a key role in philosophy.

Interest in the metaphysics and logic of possible worlds goes back at least as far as Aristotle, but few books address the history of these important concepts.

The papers collected in this volume were written over a period of some eight or nine years, with some still earlier material incorporated in one of them. Publis