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'fragments/reports', 'Introduction to Philosophical Papers II' and 'Knowledge and the Philosophy of Number'
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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 / 5. Conceptions of Set / d. Naïve logical sets
23623
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Predicativism says only predicated sets exist [Hossack]
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4. Formal Logic / F. Set Theory ST / 5. Conceptions of Set / e. Iterative sets
23624
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The iterative conception has to appropriate Replacement, to justify the ordinals [Hossack]
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4. Formal Logic / F. Set Theory ST / 5. Conceptions of Set / f. Limitation of Size
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Limitation of Size justifies Replacement, but then has to appropriate Power Set [Hossack]
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