You have chosen 'Axiomatic Theories of Truth (2005 ver)' by Volker Halbach, 'Dialogue on Things and Words' by Gottfried Leibniz and 'The Theory of Logical Types' by Bertrand Russell
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 |