You have chosen 'A Realistic Theory of Categories' by Roderick Chisholm, 'A Tour through Mathematical Logic' by Robert S. Wolf and 'Goodness and Choice' by Philippa Foot
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 |