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Ideas for 'Logicism and Ontological Commits. of Arithmetic', 'Against Euthanasia' and 'works'

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2 ideas

5. Theory of Logic / A. Overview of Logic / 4. Pure Logic

10048

There is no clear boundary between the logical and the non-logical [Tarski]

5. Theory of Logic / A. Overview of Logic / 7. Second-Order Logic

10015

Higher-order logic may be unintelligible, but it isn't set theory [Hodes]