You have chosen 'On Eternal and Immutable Morality' by Ralph Cudworth, 'The Thesis that Mathematics is Logic' by Hilary Putnam and 'Introduction to Philosophical Papers II' by David Lewis
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Modality, or select a subheading: |
| A. | Necessity | |
| B. | Possibility | |
| C. | Sources of Modality | |
| D. | Knowledge of Modality | |
| E. | Possible worlds |