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From: Moebius <invalid@example.invalid>
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Subject: Re: E c N
Date: Tue, 22 Oct 2024 22:45:21 +0200
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Am 22.10.2024 um 22:24 schrieb joes:
> Am Tue, 22 Oct 2024 18:12:44 +0200 schrieb WM:
>> On 22.10.2024 18:03, Jim Burns wrote:

>>> ∀n ∈ ℕ:  2×n ∈ ℕ

>> Not if all elements are existing before multiplication already.

> *Especially* if all elements exist those are in there.

Indeed! :-)