You have chosen 'Elucidation of some points in E.Schröder' by Gottlob Frege, 'Abortion and the Doctrine of Double Effect' by Philippa Foot and 'Realism in Mathematics' by Penelope Maddy
start again | choose another area for these texts | all the ideas for this combination of textsAll the ideas for Modality, or select a subheading: |
A. | Necessity | |
B. | Possibility | |
C. | Sources of Modality | |
D. | Knowledge of Modality | |
E. | Possible worlds |