You have chosen 'Function and Concept' by Gottlob Frege, 'Rules for the Direction of the Mind' by Ren Descartes and 'The Folly of Trying to Define Truth' by Donald Davidson
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 |