You have chosen 'Exigency to Exist in Essences' by Gottfried Leibniz, 'A General Principle to Explain Laws of Nature' by Gottfried Leibniz and 'Function and Concept' by Gottlob Frege
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 |