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From: WM <wolfgang.mueckenheim@tha.de>
Newsgroups: sci.math
Subject: Re: The reality of sets, on a scale of 1 to 10 [Was: The
 non-existence of "dark numbers"]
Date: Wed, 2 Apr 2025 16:18:53 +0200
Organization: A noiseless patient Spider
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In-Reply-To: <vs4s1l$1giht$1@dont-email.me>

On 28.03.2025 01:55, Moebius wrote:
> Am 27.03.2025 um 20:31 schrieb WM:
>> Am 27.03.2025 um 15:59 schrieb joes:
> 
>>> The number of rooms is fixed,
>>
>> One more guest requires one more room.
> 
> Nope.

"so daß jedes Element der Menge an einer bestimmten Stelle dieser Reihe 
steht" [E. Zermelo: "Georg Cantor – Gesammelte Abhandlungen 
mathematischen und philosophischen Inhalts", Springer, Berlin (1932) S. 152]

If another element enters, then something must change. That is possible 
in potential infinity.

Regards, WM