Combining Texts

Ideas for 'fragments/reports', 'Introduction: Truth and Truth-Making' and 'Truth'

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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 / 2. Excluded Middle

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

5. Theory of Logic / L. Paradox / 6. Paradoxes in Language / a. The Liar paradox

14964

The Liar reappears, even if one insists on propositions instead of sentences [Gupta]

14969

Strengthened Liar: either this sentence is neither-true-nor-false, or it is not true [Gupta]