Combining Texts
Ideas for
'fragments/reports', 'Philosophical Logic: Intro to Advanced Topics' and 'Knowledge by Agreement'
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6 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 / B. Propositional Logic PL / 1. Propositional Logic
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8077
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Stoic propositional logic is like chemistry - how atoms make molecules, not the innards of atoms [Chrysippus, by Devlin]
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4. Formal Logic / B. Propositional Logic PL / 2. Tools of Propositional Logic / e. Axioms of PL
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20791
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Chrysippus has five obvious 'indemonstrables' of reasoning [Chrysippus, by Diog. Laertius]
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