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Ideas for 'fragments/reports', 'Metaphysics: contemporary introduction' and 'Logicism and Ontological Commits. of Arithmetic'

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2 ideas

5. Theory of Logic / D. Assumptions for Logic / 2. Excluded Middle

6023	Every proposition is either true or false [Chrysippus, by Cicero]

5. Theory of Logic / D. Assumptions for Logic / 4. Identity in Logic

10011

Identity is a level one relation with a second-order definition [Hodes]