You have chosen 'Abstract of 'The Fourfold Root'' by Arthur Schopenhauer, 'An Argument for the Identity Theory' by David Lewis and 'Boole calculus and the Concept script' by Gottlob Frege
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 |