Combining Texts
Ideas for
'fragments/reports', 'Philosophy and Scientific Image of Man' and 'The philosophical basis of intuitionist logic'
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3 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
6023
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Every proposition is either true or false [Chrysippus, by Cicero]
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5. Theory of Logic / G. Quantification / 1. Quantification
19057
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Classical quantification is an infinite conjunction or disjunction - but you may not know all the instances [Dummett]
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