You have chosen 'What are Sets and What are they For?' by Oliver,A/Smiley,T, 'The Semantic Conception of Truth' by Alfred Tarski and 'On Second-Order Logic' by George Boolos
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 |