You have chosen 'A General Principle to Explain Laws of Nature' by Gottfried Leibniz, 'New System and Explanation of New System' by Gottfried Leibniz and 'Mathematical Thought from Ancient to Modern Times' by Morris Kline
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 |