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Ideas for 'fragments/reports', 'Introduction to the Theory of Logic' and 'Review of Husserl's 'Phil of Arithmetic''

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

10891

If a set is defined by induction, then proof by induction can be applied to it [Zalabardo]

6. Mathematics / B. Foundations for Mathematics / 5. Definitions of Number / c. Fregean numbers

9586	In a number-statement, something is predicated of a concept [Frege]