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8 votes
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Interpreting Conway's remark about using the surreals for non-standard analysis

Conway was of course correct in saying that NSA is irrelevant to the surreals, but like Mike I found Conway’s further remarks about NSA puzzling and I am not sure what he had in mind. What I think Co …
Philip Ehrlich's user avatar
28 votes
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Surreal numbers vs. non-standard analysis

In the final section of my paper “The Absolute Arithmetic Continuum and the Unification of All Numbers Great and Small” (The Bulletin of Symbolic Logic 18 (2012), no. 1, pp. 1-45, I not only point out …
Philip Ehrlich's user avatar