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Ideas for 'Unconscious Cerebral Initiative', 'Introduction to Mathematical Logic' and 'Structuralism Reconsidered'

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6. Mathematics / B. Foundations for Mathematics / 3. Axioms for Geometry

17762

In non-Euclidean geometry, all Euclidean theorems are valid that avoid the fifth postulate [Walicki]

6. Mathematics / B. Foundations for Mathematics / 4. Axioms for Number / f. Mathematical induction

17754

Inductive proof depends on the choice of the ordering [Walicki]

6. Mathematics / B. Foundations for Mathematics / 7. Mathematical Structuralism / e. Structuralism critique

8926	For mathematical objects to be positions, positions themselves must exist first [MacBride]