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Ideas for 'fragments/reports', 'Vagueness, Truth and Logic' and 'works'

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3 ideas

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

19102

Bivalence is a regulative assumption of enquiry - not a law of logic [Peirce, by Misak]

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

9775	Excluded Middle, and classical logic, may fail for vague predicates [Fine,K]

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