Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: Moebius Newsgroups: sci.math Subject: Re: Incompleteness of Cantor's enumeration of the rational numbers (extra-ordinary) Date: Mon, 13 Jan 2025 05:51:27 +0100 Organization: A noiseless patient Spider Lines: 31 Message-ID: References: <66868399-5c4b-4816-9a0c-369aaa824553@att.net> <417ff6da-86ee-4b3a-b07a-9c6a8eb31368@att.net> <07258ab9-eee1-4aae-902a-ba39247d5942@att.net> <1ebbc233d6bab7878b69cae3eda48c7bbfd07f88@i2pn2.org> <4c89380adaad983f24d5d6a75842aaabbd1adced@i2pn2.org> <7fc40cc2dbd42016a62aa0374d545e9e787a7da3@i2pn2.org> Reply-To: invalid@example.invalid MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Mon, 13 Jan 2025 05:51:28 +0100 (CET) Injection-Info: dont-email.me; posting-host="df5557974a50b0b7a462df9e7dff407a"; logging-data="1746095"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+ACgTZudN+wR63MOPPLjqY" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:y+idBjDBOMcGB+Mjjzbrlhy0R9M= In-Reply-To: Content-Language: de-DE Bytes: 2807 >> On 1/12/25 7:47 AM, WM wrote: >>> All FISONs are less than |ℕ|/n for every n, but their union is |ℕ|. Mückenheim, Du laberst wieder mal saudummen Schwachsinn daher. Tatsächlich gilt: An e IN: |F(n)| < |IN| and |U_(n e IN) F(n)| = |IN| , falls Du das meinst. Hinweis: Falls (mit n e IN) "|ℕ|/n" jene Kardinalzahl x bezeichnen soll, für die x*n = |ℕ| gilt, dann bezeichnet "|ℕ|/n" die Kardinalzahl |ℕ|. Es gilt dann also |ℕ|/n = |ℕ|. Was Du vermutlich meinst/ausdrücken willst, ist, dass für alle k e IN: An e IN: |F(k)|*n < |IN| gilt. D. h. dass jeder Anfangsabschnitt im Vergleich zu IN geradezu "verschwindend klein" ist. .. .. ..