Combining Texts
Ideas for
'fragments/reports', 'Does Consciousness Exist?' and 'Rationality and Logic'
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5 ideas
5. Theory of Logic / A. Overview of Logic / 4. Pure Logic
11058
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Logic is explanatorily and ontologically dependent on rational animals [Hanna]
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11072
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Logic is personal and variable, but it has a universal core [Hanna]
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5. Theory of Logic / B. Logical Consequence / 1. Logical Consequence
11061
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Intensional consequence is based on the content of the concepts [Hanna]
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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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