You have chosen 'Changes in Events and Changes in Things' by Arthur N. Prior, 'Three Dialogues of Hylas and Philonous' by George Berkeley and 'De arcanus motus' by Gottfried Leibniz
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 |