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'fragments/reports', 'English as a Formal Language' and 'The Condemnation of 1277'
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3 ideas
5. Theory of Logic / B. Logical Consequence / 5. Modus Ponens
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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 / F. Referring in Logic / 2. Descriptions / b. Definite descriptions
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'The' is a quantifier, like 'every' and 'a', and does not result in denotation [Montague]
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