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Le 21/04/2024 à 00:44, FromTheRafters a écrit :Doesn't Exist in the base theory, just as -1 does not exist in the Natural Numbers (or the Ordinals).WM wrote :What is ω - 1?>What is a gap in the ordinals?>
It is a not existing ordinal between two ordinals. It is a not existing natural number next to ω, for instance.
Sets do not have not existing elements.
Regards, WM
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