You have chosen 'Morality as system of hypothetical imps.' by Philippa Foot, 'An Outline of Philosophy' by Bertrand Russell and 'A General Principle to Explain Laws of Nature' by Gottfried Leibniz
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 |