Sujet : Re: Incompleteness of Cantor's enumeration of the rational numbers (extra-ordinary)
De : wolfgang.mueckenheim (at) *nospam* tha.de (WM)
Groupes : sci.mathDate : 29. Dec 2024, 12:09:06
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <vkraki$tpqs$3@dont-email.me>
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User-Agent : Mozilla Thunderbird
On 28.12.2024 20:42, Moebius wrote:
Hint: For each and every n e IN there is a singleton such that n is in it (namely {n}).
>
BUT there's no singleton such that each and every n e IN is in it.
My theorem: Every union of FISONs which stay below a certain threshold stays below that threshold.
Find a counterexample. Don't claim it but prove it. Fail.
Regards, WM