You have chosen 'Natural Kinds and Biological Realism' by Michael Devitt, 'A New Kind of Science' by Stephen Wolfram and 'Set Theory and related topics (2nd ed)' by Seymour Lipschutz
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 |