Sujet : Re: How many different unit fractions are lessorequal than all unit fractions? (infinitary)
De : noreply (at) *nospam* example.org (joes)
Groupes : sci.mathDate : 18. Oct 2024, 09:05:47
Autres entêtes
Organisation : i2pn2 (i2pn.org)
Message-ID : <6e56c7212ae96244c827174868bc7decb15ed5f3@i2pn2.org>
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User-Agent : Pan/0.145 (Duplicitous mercenary valetism; d7e168a git.gnome.org/pan2)
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.