You have chosen 'A Realistic Theory of Categories' by Roderick Chisholm, 'Four Decades of Scientific Explanation' by Wesley Salmon and 'Remarks on the definition and nature of mathematics' by Haskell B. Curry
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 |