You have chosen 'Function and Concept' by Gottlob Frege, 'Of liberty, Fate and God's grace' by Gottfried Leibniz and 'On the Law of War' by Francis de Vitoria
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 |