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From: WM <wolfgang.mueckenheim@tha.de>
Newsgroups: sci.math
Subject: Re: Incompleteness of Cantor's enumeration of the rational numbers
Date: Mon, 18 Nov 2024 19:20:24 +0100
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On 18.11.2024 18:15, FromTheRafters wrote:
> WM brought next idea :

>>> |ℕ| - |ℕ| = 0 because if you subtract one element from ℕ then you have
>> no longer ℕ and therefore no longer |ℕ| describing it.
> 
> Still wrong.

If you remove one element from ℕ, then you have still ℵo but no longer 
all elements of ℕ. If |ℕ| describes the number of elements, then it has 
changed to |ℕ| - 1. If you don't like |ℕ| then call this number the 
number of natural numbers.

Regards, WM