Combining Texts

Ideas for 'fragments/reports', 'The Gettier Problem' and 'works'

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3 ideas

5. Theory of Logic / B. Logical Consequence / 5. Modus Ponens
Modus ponens is one of five inference rules identified by the Stoics [Chrysippus, by Devlin]
5. Theory of Logic / D. Assumptions for Logic / 2. Excluded Middle
Every proposition is either true or false [Chrysippus, by Cicero]
Anti-realism needs an intuitionist logic with no law of excluded middle [Dummett, by Miller,A]