You have chosen 'New System and Explanation of New System' by Gottfried Leibniz, 'Summa quaestionum super Sententias' by Peter John Olivi and 'Truthmakers, Realism and Ontology' by Ross P. Cameron
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 |