You have chosen 'Preface to 'Dorian Gray'' by Oscar Wilde, 'A Dictionary of Philosophy' by Peter A. Angeles and 'Abortion and the Doctrine of Double Effect' by Philippa Foot
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 |