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- 01:49, 13 September 2022 OfficialURL talk contribs created page Ordinal function (Created page with "An '''ordinal function''' refers to a function from ordinals to ordinals. More rarely, they refer to functions from an initial segment of the ordinals to another. Important examples include continuous functions and normal functions. Technically speaking and within ZFC, since ordinals don't form a set, one can't formally talk about functions \(f:\text{On}\to\text{On}\). However, replacing \(\text{On}\) with a large enough ordinal,...")