You have chosen 'A Combinatorial Theory of Possibility' by David M. Armstrong, 'Investigations into Logical Deduction' by Gerhard Gentzen and 'The Nature of Judgement' by G.E. Moore
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 |