Combining Philosophers

Ideas for Democritus, Cappelen,H/Dever,J and Robert S. Wolf

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2 ideas

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

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

6. Mathematics / A. Nature of Mathematics / 4. Using Numbers / a. Units

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Two can't be a self-contained unit, because it would need to be one to do that [Democritus, by Aristotle]