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From: joes <noreply@example.org>
Newsgroups: sci.math
Subject: Re: How many different unit fractions are lessorequal than all unit
 fractions? (infinitary)
Date: Fri, 18 Oct 2024 08:05:47 -0000 (UTC)
Organization: i2pn2 (i2pn.org)
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Am Thu, 17 Oct 2024 20:14:07 +0200 schrieb WM:
> On 16.10.2024 21:48, FromTheRafters wrote:
> 
>>there is closure in the set of naturals for addition.
> In potential infinity we obtain more even natural numbers than have been
> doubled. (Closure)
That is not what closure means: that you always stay in the same set
no matter what you do. You especially don't obtain more numbers
(larger, sure).

-- 
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.