Path: ...!eternal-september.org!feeder2.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: FromTheRafters Newsgroups: sci.math Subject: Re: Incompleteness of Cantor's enumeration of the rational numbers Date: Wed, 20 Nov 2024 15:08:58 -0500 Organization: Peripheral Visions Lines: 19 Message-ID: References: <8165b44b-1ba5-429d-8317-0b043b214b53@att.net> Reply-To: erratic.howard@gmail.com MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Wed, 20 Nov 2024 21:09:03 +0100 (CET) Injection-Info: dont-email.me; posting-host="58062709949e9f0890593fe0d9d1cba2"; logging-data="281501"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/7AOj6ojlK1ShXmQ6dWAV/iisDKVhi8xg=" Cancel-Lock: sha1:l0A2rkKZBmjrP8knvyM+dVJidYE= X-Newsreader: MesNews/1.08.06.00-gb X-ICQ: 1701145376 Bytes: 2671 WM was thinking very hard : > On 20.11.2024 15:15, FromTheRafters wrote: >> WM explained on 11/20/2024 : >>> set theory claims that all natural numbers can be counted to such that no >>> successors remain. >> >> No it doesn't. > > Even all rationals and algebraics. > > "we get the epitome (ω) of all real algebraic numbers [...] and with respect > to this order we can talk about the nth algebraic number where not a single > one of this epitome has been forgotten" > "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" Which doesn't support your claim at all. No mention whatsoever of no successors remaining.