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Ideas for 'fragments/reports', 'On the Nature of the Universe' and 'The Semantic Conception of Truth'

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2 ideas

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

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

19192

The truth definition proves semantic contradiction and excluded middle laws (not the logic laws) [Tarski]