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Ideas for 'fragments/reports', 'The Foundations of Mathematics' and 'Intensional Logic'

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4 ideas

5. Theory of Logic / A. Overview of Logic / 8. Logic of Mathematics

11026

Classical logic is deliberately extensional, in order to model mathematics [Fitting]

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

13427

Either 'a = b' vacuously names the same thing, or absurdly names different things [Ramsey]

5. Theory of Logic / F. Referring in Logic / 3. Property (λ-) Abstraction

11028

λ-abstraction disambiguates the scope of modal operators [Fitting]

5. Theory of Logic / L. Paradox / 1. Paradox

13334

Contradictions are either purely logical or mathematical, or they involved thought and language [Ramsey]