Combining Texts
Ideas for
'fragments/reports', 'Wittgenstein on Rules and Private Language' and 'A Powerful Particulars View of Causation'
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3 ideas
5. Theory of Logic / A. Overview of Logic / 5. First-Order Logic
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Philosophers accepted first-order logic, because they took science to be descriptive, not explanatory [Ingthorsson]
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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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