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From: FromTheRafters <FTR@nomail.afraid.org>
Newsgroups: sci.math
Subject: Re: Incompleteness of Cantor's enumeration of the rational numbers
Date: Sun, 17 Nov 2024 06:01:35 -0500
Organization: Peripheral Visions
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WM was thinking very hard :
> On 16.11.2024 22:33, Moebius wrote:
>
>> For example "aleph_0 - aleph_0" is not defined.
>
> Small wonder. ℵo means only infinitely many: |ℕ|, |ℚ|, and many others.
> |ℕ|-|ℕ| however is defined.

No, it is not.