Combining Texts
Ideas for
'fragments/reports', 'Intro to 2nd ed of Principia Mathematica' and 'Metaphysics: the logical approach'
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5 ideas
4. Formal Logic / B. Propositional Logic PL / 1. Propositional Logic
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
20791
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Chrysippus has five obvious 'indemonstrables' of reasoning [Chrysippus, by Diog. Laertius]
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4. Formal Logic / F. Set Theory ST / 1. Set Theory
3326
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Set theory attempts to reduce the 'is' of predication to mathematics [Benardete,JA]
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3327
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The set of Greeks is included in the set of men, but isn't a member of it [Benardete,JA]
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4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / a. Axioms for sets
3335
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The standard Z-F Intuition version of set theory has about ten agreed axioms [Benardete,JA, by PG]
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