You have chosen 'Letters to Samuel Clarke' by Gottfried Leibniz, 'Frege on Extensions from Concepts' by Tyler Burge and 'Rules for the Direction of the Mind' by Ren Descartes
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 |