You have chosen 'A Realistic Theory of Categories' by Roderick Chisholm, 'De Ente et Essentia (Being and Essence)' by Thomas Aquinas and 'Scientific Explanation' by R.B. Braithwaite
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 |