Combining Texts

Ideas for 'fragments/reports', 'Truth and the Past' and 'Kinds of Minds'

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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

8195	Undecidable statements result from quantifying over infinites, subjunctive conditionals, and the past tense [Dummett]

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 / L. Paradox / 6. Paradoxes in Language / b. The Heap paradox ('Sorites')

8194	Surely there is no exact single grain that brings a heap into existence [Dummett]