You have chosen 'On the Principles of Indiscernibles' by Gottfried Leibniz, 'An Essay on Free Will' by Peter van Inwagen and 'The Foundations of Mathematics (2nd ed)' by Kenneth Kunen
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 |