Path: ...!news.misty.com!weretis.net!feeder9.news.weretis.net!news.nk.ca!rocksolid2!i2pn2.org!.POSTED!not-for-mail From: joes Newsgroups: sci.math Subject: Re: Incompleteness of Cantor's enumeration of the rational numbers (extra-ordinary) Date: Sun, 5 Jan 2025 18:03:03 -0000 (UTC) Organization: i2pn2 (i2pn.org) Message-ID: References: <98519289-0542-40ce-886e-b50b401ef8cf@att.net> <8e95dfce-05e7-4d31-b8f0-43bede36dc9b@att.net> <53d93728-3442-4198-be92-5c9abe8a0a72@att.net> <9c18a839-9ab4-4778-84f2-481c77444254@att.net> <8ef20494f573dc131234363177017bf9d6b647ee@i2pn2.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Sun, 5 Jan 2025 18:03:03 -0000 (UTC) Injection-Info: i2pn2.org; logging-data="2119836"; mail-complaints-to="usenet@i2pn2.org"; posting-account="nS1KMHaUuWOnF/ukOJzx6Ssd8y16q9UPs1GZ+I3D0CM"; User-Agent: Pan/0.145 (Duplicitous mercenary valetism; d7e168a git.gnome.org/pan2) X-Spam-Checker-Version: SpamAssassin 4.0.0 Bytes: 2536 Lines: 13 Am Sun, 05 Jan 2025 12:14:47 +0100 schrieb WM: > On 04.01.2025 21:38, Chris M. Thomasson wrote: > >> For me, there are infinitely many natural numbers, period... Do you >> totally disagree? > No. There are actually infinitely many natural numbers. All can be > removed from ℕ, but only collectively ℕ \ {1, 2, 3, ...} = { }. > It is impossible to remove the numbers individually ∀n ∈ ℕ_def: |ℕ \ {1, > 2, 3, ..., n}| = ℵo. Well yes, the size of N is itself not a natural number. Big surprise. -- 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.