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From: WM <wolfgang.mueckenheim@tha.de>
Newsgroups: sci.math
Subject: Re: Incompleteness of Cantor's enumeration of the rational numbers
 (extra-ordinary)
Date: Sun, 12 Jan 2025 16:31:32 +0100
Organization: A noiseless patient Spider
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In-Reply-To: <e992a9c19abdfdbc610021c6ce6902f9b2574521@i2pn2.org>

On 12.01.2025 15:07, joes wrote:
> Am Sun, 12 Jan 2025 12:48:50 +0100 schrieb WM:

>> If you multiply every number by 2, then larger even numbers than all
>> hitherto present even numbers are created because the number of numbers
>> remains constant but the odd numbers disappear.
> No, not if you really multiply *every* number and not only finitely many.

When their number remains and half disappear, then half are added.

> The *cardinality* is the same.

Cardinality is irrelevant. x = x/2 + y.

Regards, WM