Jan Dejnozka is a visiting scholar of Law and Philosophy at the University of Michigan. His articles have appeared in Russell, International Studies in Philosophy, Dialogos and The International Journal for Philosophy.

• 1. Introduction. 2. Propositional Functions and Possible Worlds. 3. Russell’s Three Levels of Modality. 4. The Ontological Foundation. 5. Rescher’s Case Against Russell. 6. The Strength of Russell’s Modal Logic. 7. Does Russell Have a Possible Worlds Logic? 8. The Motives and Origins of Russell’s Theory of Modality. 9. Russell’s Relevance Logic. 10. Russell, Keynes, and the Legal Origins of Logical Relevance.

Jan Dejnozka is a visiting scholar of Law and Philosophy at the University of Michigan. His articles have appeared in Russell, International Studies in Philosophy, Dialogos and The International Journal for Philosophy.

• 1. Introduction. 2. Propositional Functions and Possible Worlds. 3. Russell’s Three Levels of Modality. 4. The Ontological Foundation. 5. Rescher’s Case Against Russell. 6. The Strength of Russell’s Modal Logic. 7. Does Russell Have a Possible Worlds Logic? 8. The Motives and Origins of Russell’s Theory of Modality. 9. Russell’s Relevance Logic. 10. Russell, Keynes, and the Legal Origins of Logical Relevance.

Jan Dejnozka is a visiting scholar of Law and Philosophy at the University of Michigan. His articles have appeared in Russell, International Studies in Philosophy, Dialogos and The International Journal for Philosophy.

• 1. Introduction. 2. Propositional Functions and Possible Worlds. 3. Russell’s Three Levels of Modality. 4. The Ontological Foundation. 5. Rescher’s Case Against Russell. 6. The Strength of Russell’s Modal Logic. 7. Does Russell Have a Possible Worlds Logic? 8. The Motives and Origins of Russell’s Theory of Modality. 9. Russell’s Relevance Logic. 10. Russell, Keynes, and the Legal Origins of Logical Relevance.