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Ideas for 'Essays on Intellectual Powers: Senses', 'works' and 'Grundlagen (Foundations of Theory of Manifolds)'

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

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Ordinals are generated by endless succession, followed by a limit ordinal [Cantor, by Lavine]

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Von Neumann defined ordinals as the set of all smaller ordinals [Neumann, by Poundstone]