Path: ...!eternal-september.org!feeder3.eternal-september.org!i2pn.org!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: Thu, 26 Dec 2024 19:59:20 -0000 (UTC) Organization: i2pn2 (i2pn.org) Message-ID: <79d929f4202a241e1a931990cd6c35b7dbbf6e39@i2pn2.org> References: <069069bf23698c157ddfd9b62b9b2f632b484c40@i2pn2.org> <2d3620a6e2a8a57d9db7a33c9d476fe03cac455b@i2pn2.org> <3c08ed64fa6193dc9ab6733b807a5c99a49810aa@i2pn2.org> <357a8740434fb6f1b847130ac3afbd33c850fc37@i2pn2.org> <87351ff85f6c8b1c6c56e8a023f1301298af93e7@i2pn2.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Thu, 26 Dec 2024 19:59:20 -0000 (UTC) Injection-Info: i2pn2.org; logging-data="582743"; 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: 3173 Lines: 26 Am Thu, 19 Dec 2024 15:38:59 +0100 schrieb WM: > On 18.12.2024 21:15, joes wrote: >> Am Wed, 18 Dec 2024 20:06:19 +0100 schrieb WM: >>> On 18.12.2024 13:29, Richard Damon wrote: >>>> On 12/17/24 4:57 PM, WM wrote: >>> >>>>> You claimed that he uses more than I do, namely all natural numbers. >>>> Right, you never use ALL the natural numbers, only a finite subset of >>>> them. >>> Please give the quote from which you obtain a difference between "The >>> infinite sequence thus defined has the peculiar property to contain >>> the positive rational numbers completely, and each of them only once >>> at a determined place." [G. Cantor, letter to R. Lipschitz (19 Nov >>> 1883)] and my "the infinite sequence f(n) = [1, n] contains all >>> natural numbers n completely, and each of them only once at a >>> determined place." >> You deny the limit. >> > When dealing with Cantor's mappings between infinite sets, it is argued > usually that these mappings require a "limit" to be completed or that > they cannot be completed. Such arguing has to be rejected flatly. For > this reason some of Cantor's statements are quoted below. Cantor doesn’t have a limit. -- 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.