You have chosen 'Counterpart theory and Quant. Modal Logic' by David Lewis, 'Presidential Address of Am. Math. Soc' by Oswald Veblen and 'Against the Ethicists (one book)' by Sextus Empiricus
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 |