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Path: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: Lawrence D'Oliveiro <ldo@nz.invalid> Newsgroups: comp.theory Subject: Re: Cantor Diagonal Proof Date: Mon, 7 Apr 2025 21:42:32 -0000 (UTC) Organization: A noiseless patient Spider Lines: 11 Message-ID: <vt1gs7$nigc$3@dont-email.me> References: <vsn1fu$1p67k$1@dont-email.me> <7EKdnTIUz9UkpXL6nZ2dnZfqn_ednZ2d@brightview.co.uk> <vsng73$27sdj$1@dont-email.me> <gGKdnZiYPJVC03L6nZ2dnZfqn_udnZ2d@brightview.co.uk> <vsnk2v$2fc5a$1@dont-email.me> <vsnmtg$2i4qp$3@dont-email.me> <vsno7m$2g4cd$3@dont-email.me> <vsnp0o$2ka6o$2@dont-email.me> <vsnpv4$2g4cd$6@dont-email.me> <vsntes$2osdn$1@dont-email.me> <vsntv3$2paf9$1@dont-email.me> <vso1a0$2sf7o$1@dont-email.me> <vso2ff$2tj1d$2@dont-email.me> <vso3rj$2vems$2@dont-email.me> <vso4gh$2vg3b$1@dont-email.me> <vsqmlb$1ktm5$6@dont-email.me> <vsr1ae$1pr17$2@dont-email.me> <vst4nm$8daf$2@dont-email.me> <vsu9o4$lqc0$2@dont-email.me> <vsunj7$1redp$3@dont-email.me> <vsusb8$1v5ml$1@dont-email.me> <vsvuta$36pju$1@dont-email.me> <vt019f$37knt$1@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Mon, 07 Apr 2025 23:42:32 +0200 (CEST) Injection-Info: dont-email.me; posting-host="f78cf1e5c1ddc713eed346e8c1706a10"; logging-data="772620"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19vWvPPQwkb0SUqVF8HrsDG" User-Agent: Pan/0.162 (Pokrosvk) Cancel-Lock: sha1:o8zNbXI8IjWPA8jzy6LzIFmqT1s= On Mon, 7 Apr 2025 02:10:23 -0600, Jeff Barnett wrote: > You are quite wrong about an elementary proof and various of your > misunderstandings have been pointed out to you ... I gave a proof by induction why the Cantor construction fails on that flipped-integer list; no one has yet pointed out a flaw in that proof. Somebody kept insisting that, even if my proposition is true for every element in the list, it somehow goes false at the end. The end of an infinite list! Yeah, right.