You have chosen 'History of the Concept of Time' by Martin Heidegger, 'Davidson on himself' by Donald Davidson and 'Grundlagen (Foundations of Theory of Manifolds)' by George Cantor
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 |