Combining Texts
Ideas for
'fragments/reports', 'Intellectual Norms and Foundations of Mind' and 'A Pragmatic Conception of the A Priori'
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5 ideas
5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic
9358
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There are several logics, none of which will ever derive falsehoods from truth [Lewis,CI]
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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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Excluded middle is just our preference for a simplified dichotomy in experience [Lewis,CI]
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5. Theory of Logic / F. Referring in Logic / 1. Naming / a. Names
9364
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Names represent a uniformity in experience, or they name nothing [Lewis,CI]
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