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Ideas for 'Changes in Events and Changes in Things', 'Treatise of Human Nature' and 'works'

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

10157

Tarski improved Hilbert's geometry axioms, and without set-theory [Tarski, by Feferman/Feferman]

6. Mathematics / B. Foundations for Mathematics / 5. Definitions of Number / d. Hume's Principle

8649	Two numbers are equal if all of their units correspond to one another [Hume]