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From: joes <noreply@example.org>
Newsgroups: sci.math
Subject: Re: Incompleteness of Cantor's enumeration of the rational numbers
 (extra-ordinary)
Date: Wed, 8 Jan 2025 23:42:24 -0000 (UTC)
Organization: i2pn2 (i2pn.org)
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Am Wed, 08 Jan 2025 15:35:44 +0100 schrieb WM:
> On 08.01.2025 12:04, FromTheRafters wrote:
>> WM formulated on Wednesday :
> 
>>> If ω exists, then ω-1 exists.
>> Wrong.
> A set like ℕ has a fixed number of elements. If ω-1 does not exist, what
> is the fixed border of existence?
It has an infinite number of elements, and that number happens to be
invariant under finite subtraction/addition.

-- 
Am Sat, 20 Jul 2024 12:35:31 +0000 schrieb WM in sci.math:
It is not guaranteed that n+1 exists for every n.