You have chosen 'Identity in Substances and True Propositions' by Gottfried Leibniz, 'Review of Husserl's 'Phil of Arithmetic'' by Gottlob Frege and 'Causal Relations' by Donald Davidson
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 |