You have chosen 'Changes in Events and Changes in Things' by Arthur N. Prior, 'Causation and Explanation' by Stathis Psillos and 'Reference and Essence (1st edn)' by Nathan Salmon
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 |