Combining Philosophers

Ideas for Cardinal/Hayward/Jones, Hesiod and Robert S. Wolf

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2 ideas

6. Mathematics / A. Nature of Mathematics / 3. Nature of Numbers / e. Ordinal numbers

13530

An ordinal is an equivalence class of well-orderings, or a transitive set whose members are transitive [Wolf,RS]

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]