You have chosen 'A General Principle to Explain Laws of Nature' by Gottfried Leibniz, 'Queries to the 'Opticks'' by Isaac Newton and 'Identity through Possible Worlds' by Roderick Chisholm
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 |