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Path: news.eternal-september.org!eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Mikko <mikko.levanto@iki.fi> Newsgroups: sci.logic Subject: Re: Incompleteness of Cantor's enumeration of the rational numbers Date: Sun, 15 Dec 2024 12:49:21 +0200 Organization: - Lines: 28 Message-ID: <vjmc7h$hl7j$1@dont-email.me> References: <vg7cp8$9jka$1@dont-email.me> <vg7vgh$csek$1@dont-email.me> <vg8911$dvd6$1@dont-email.me> <vjgvpc$3bb3f$1@dont-email.me> <vjh28r$3b6vi$4@dont-email.me> <vjjfmj$3tuuh$1@dont-email.me> <vjjgds$3tvsg$2@dont-email.me> <539edbdf516d69a3f1207687b802be7a86bd3b48@i2pn2.org> <vjk97t$1tms$1@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Sun, 15 Dec 2024 11:49:22 +0100 (CET) Injection-Info: dont-email.me; posting-host="548af6b5414b171555f35e270ee8ad08"; logging-data="578803"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19JDk7EcrtBoXjrgNUa5y2D" User-Agent: Unison/2.2 Cancel-Lock: sha1:JaNctSEEC217RbWB8sDyuaXK0fg= On 2024-12-14 15:46:04 +0000, WM said: > On 14.12.2024 12:06, joes wrote: >> Am Sat, 14 Dec 2024 09:42:37 +0100 schrieb WM: >>> On 14.12.2024 09:30, Mikko wrote: >>>> On 2024-12-13 10:28:44 +0000, WM said: >>>>> On 13.12.2024 10:46, Mikko wrote: >>>>> >>>>>> Between any two intervals there is space and that space contains >>>>>> other intervals. >>>>> No. Starting from a point in the complement the cursor will hit a >>>>> first interval. This is true for all visible intervals. >>>> False. From a point that is not a part of an interval no interval is >>>> the nearest one because another interval is nearer. >>> IF ALL intervals and their endpoints are existing as invariable points >>> on the real line this cannot happen. In potential infinity however >>> between any two points new intervals come into being. >> They are ALREADY there. > > Therefore they cannot appear after the cursor has passed their > positions. Every interval and every end of an interval would be hit by > the cursor. Yes, but not before another interval hits the cursor. -- Mikko