You have chosen 'On Plural Reference and Set Theory' by Helen Cartwright, 'On Copernicanism and Relativity of Motion' by Gottfried Leibniz and 'How to Make our Ideas Clear' by Charles Sanders Peirce
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 |