You have chosen 'Frege's Theory of Numbers' by Charles Parsons, 'The Epistemology of Essence (draft)' by Tuomas E. Tahko and 'The Principles of Human Knowledge' by George Berkeley
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 |