Combining Texts

Ideas for 'Sweet Dreams', 'Naming and Necessity preface' and 'Philosophy of Mathematics'

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2 ideas

4. Formal Logic / D. Modal Logic ML / 1. Modal Logic

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Possible worlds allowed the application of set-theoretic models to modal logic [Kripke]

4. Formal Logic / F. Set Theory ST / 5. Conceptions of Set / d. Naïve logical sets

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Naïve set theory says any formula defines a set, and coextensive sets are identical [Linnebo]