Combining Texts

Ideas for 'fragments/reports', 'Interview with Baggini and Stangroom' and 'Guidebook to Wittgenstein's Tractatus'

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4 ideas

5. Theory of Logic / B. Logical Consequence / 5. Modus Ponens

8078	Modus ponens is one of five inference rules identified by the Stoics [Chrysippus, by Devlin]

5. Theory of Logic / D. Assumptions for Logic / 1. Bivalence

23484

Bipolarity adds to Bivalence the capacity for both truth values [Morris,M]

5. Theory of Logic / D. Assumptions for Logic / 2. Excluded Middle

6023	Every proposition is either true or false [Chrysippus, by Cicero]

5. Theory of Logic / G. Quantification / 1. Quantification

23494

Conjunctive and disjunctive quantifiers are too specific, and are confined to the finite [Morris,M]