You have chosen 'Presidential Address of Am. Math. Soc' by Oswald Veblen, 'Letters to De Vries' by Baruch de Spinoza and 'Existence,Ontological Commitment and Fictions' by Peter van Inwagen
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 |