Path: ...!news.mixmin.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Moebius Newsgroups: sci.logic,sci.math Subject: Re: Replacement of Cardinality Date: Fri, 9 Aug 2024 02:09:50 +0200 Organization: A noiseless patient Spider Lines: 25 Message-ID: References: <42d2b329-5394-47e0-b8c9-098908b2e9a8@att.net> <__cCn6h6Ey1Kz0BrIf6EShypg4M@jntp> Reply-To: invalid@example.invalid MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Fri, 09 Aug 2024 02:09:50 +0200 (CEST) Injection-Info: dont-email.me; posting-host="b1e9f2d409ea2b6d1cf69b9debede1b8"; logging-data="367922"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1++TSn92t0qo1H+Bu+8JXMh" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:nktZMVTUv3oaVcQPPnbOxCtBgs8= In-Reply-To: Content-Language: de-DE Bytes: 2542 Am 09.08.2024 um 01:59 schrieb Moebius: > Am 08.08.2024 um 22:36 schrieb Chris M. Thomasson: >> On 8/8/2024 3:30 AM, FromTheRafters wrote: >>> on 8/8/2024, WM supposed : >>>> Le 08/08/2024 à 00:17, Moebius a écrit : >>>> >>>>> Actually, his "thinking process" is simple: >>>>> >>>>> "Since there is a gap (space) between adjacent unit fractions and >>>>> all unit fractions are in the interval (0, 1], there *must* be >>>>> FINITELY MANY of them (i.e. a first/smallest one)." >>>> >>>> No, that is nonsense. There are not finitely many unit fractions. >>> >>> Then stop assuming that there is a first [i.e. smallest] element. >> >> The first unit fraction is 1/1, there is no last one... > > Nope. We are using the usual order < defined on IR to determine if there > is a first (smallest) / last (largest) unit fraction. > > So there is no first/smallest unit fraction and there is a last/largest > unit farction (namely 1/1), in respect to <. Hint: WM is just a complete idiot.