You have chosen 'Theory of Knowledge (2nd edn)' by Keith Lehrer, 'Realism, Mathematics and Modality' by Hartry Field and 'The Origin of the Work of Art' by Martin Heidegger
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 |