You have chosen 'Frege's Concept of Numbers as Objects' by Crispin Wright, 'Identity and Necessity' by Saul A. Kripke and 'Elucidation of some points in E.Schrder' by Gottlob Frege
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 |