You have chosen 'Remarks on the Foundations of Mathematics' by Ludwig Wittgenstein, 'Presidential Address of Am. Math. Soc' by Oswald Veblen and 'Reason, Truth and History' by Hilary Putnam
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 |