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Ideas for 'Logical Consequence', 'Science and Hypothesis' and 'Treatise 2: Virtue or Moral Good'

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2 ideas

6. Mathematics / B. Foundations for Mathematics / 2. Proof in Mathematics

10692

Hilbert proofs have simple rules and complex axioms, and natural deduction is the opposite [Beall/Restall]

6. Mathematics / B. Foundations for Mathematics / 7. Mathematical Structuralism / a. Structuralism

10180

Mathematicians do not study objects, but relations between objects [Poincaré]