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'fragments/reports', 'Hippocrates of Cos on the mind' and 'On 'Insolubilia' and their solution'
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4 ideas
5. Theory of Logic / B. Logical Consequence / 5. Modus Ponens
8078
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Modus ponens is one of five inference rules identified by the Stoics [Chrysippus, by Devlin]
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5. Theory of Logic / D. Assumptions for Logic / 2. Excluded Middle
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Every proposition is either true or false [Chrysippus, by Cicero]
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5. Theory of Logic / L. Paradox / 4. Paradoxes in Logic / d. Richard's paradox
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Richard's puzzle uses the notion of 'definition' - but that cannot be defined [Russell]
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5. Theory of Logic / L. Paradox / 6. Paradoxes in Language / a. The Liar paradox
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Vicious Circle: what involves ALL must not be one of those ALL [Russell]
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