Combining Philosophers

Ideas for Stilpo, Robert S. Wolf and William D. Hart

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2 ideas

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

13474

Euclid has a unique parallel, spherical geometry has none, and saddle geometry has several [Hart,WD]

6. Mathematics / B. Foundations for Mathematics / 6. Mathematics as Set Theory / a. Mathematics is set theory

13518

Modern mathematics has unified all of its objects within set theory [Wolf,RS]