Related to the Hyperreal numbers mentioned in the article is the class of Surrea... | Hacker News

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		agnosticmantis on Dec 9, 2024 \| parent \| context \| favorite \| on: Derivative at a Discontinuity Related to the Hyperreal numbers mentioned in the article is the class of Surreal numbers which have many fun properties. There's a nice book describing them authored by Don Knuth.

yuppiemephisto on Dec 9, 2024 [–]

The hyperreals and surreals are actually isomorphic under a mild strengthening of the axiom of choice (NBG).

https://mathoverflow.net/questions/91646/surreal-numbers-vs-...

See Ehrlich’s answer.

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