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From: Moebius <invalid@example.invalid>
Newsgroups: sci.math
Subject: Re: Incompleteness of Cantor's enumeration of the rational numbers
 (extra-ordinary)
Date: Sat, 11 Jan 2025 05:21:29 +0100
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Am 11.01.2025 um 04:51 schrieb Moebius:
> Am 10.01.2025 um 23:18 schrieb Chris M. Thomasson:
>> On 1/10/2025 1:52 AM, WM wrote:

>>> Then for every [ordinal number] it is determined whether [it] is a 
>>> natural number [or not].
> 
> Indeed!

There is even a simple criteria for this (i.e. if an ordinal number is a 
natural number or not):

           For each and every ordinal number x:

           x is a natural number iff x < omega.

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