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Ideas for 'fragments/reports', 'fragments/reports' and 'Philosophical Letters from England'

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2 ideas

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

1312	If everything is and isn't then everything is true, and a midway between true and false makes everything false [Aristotle on Heraclitus]

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