Combining Philosophers
Ideas for Zeno (Citium), E Reck / M Price and Engelbretsen,G/Sayward,C
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5 ideas
4. Formal Logic / A. Syllogistic Logic / 1. Aristotelian Logic
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13913
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The four 'perfect syllogisms' are called Barbara, Celarent, Darii and Ferio [Engelbretsen/Sayward]
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13914
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Syllogistic logic has one rule: what is affirmed/denied of wholes is affirmed/denied of their parts [Engelbretsen/Sayward]
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4. Formal Logic / A. Syllogistic Logic / 2. Syllogistic Logic
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13915
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Syllogistic can't handle sentences with singular terms, or relational terms, or compound sentences [Engelbretsen/Sayward]
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4. Formal Logic / A. Syllogistic Logic / 3. Term Logic
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13916
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Term logic uses expression letters and brackets, and '-' for negative terms, and '+' for compound terms [Engelbretsen/Sayward]
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4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / a. Axioms for sets
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10166
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ZFC set theory has only 'pure' sets, without 'urelements' [Reck/Price]
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