You have chosen 'Theory of Science (4 vols)' by Bernard Bolzano, 'Review of Chihara 'Struct. Accnt of Maths'' by John P. Burgess and 'Matters of Mind' by Scott Sturgeon
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 |