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Ideas for 'fragments/reports', 'The Structure of Science' and 'Material Beings'

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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]

17587

The 'Law' of Excluded Middle needs all propositions to be definitely true or definitely false [Inwagen]