You have chosen 'Principles of Philosophy' by René Descartes, 'An American Indian model of the Universe' by Benjamin Lee Whorf and 'The Sign of Four' by Arthur Conan Doyle
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 |