You have chosen 'Are there propositions?' by Gilbert Ryle, 'A Theory of Universals' by David M. Armstrong and 'Is Justified True Belief Knowledge?' by Edmund L. Gettier
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 |