You have chosen 'Proof of an External World' by G.E. Moore, 'Gentzen's Analysis of First-Order Proofs' by Dag Prawitz and 'Truth-makers' by Mulligan/Simons/Smith
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 |