You have chosen 'Regressive Method for Premises in Mathematics' by Bertrand Russell, '75: Is 'Live Unknown' a Wise Precept?' by Plutarch 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 |