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Ideas for 'Logical Consequence', 'On the Concept of Number' and 'Content Preservation'

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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 / C. Sources of Mathematics / 7. Formalism

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Hilbert said (to block paradoxes) that mathematical existence is entailed by consistency [Hilbert, by Potter]