You have chosen 'The Evolution of Logic' by William D. Hart, 'The Actual and the Possible' by Alexander R. Pruss and 'Grundlagen (Foundations of Theory of Manifolds)' by George Cantor
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 |