Path: ...!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: Sat, 10 Aug 2024 00:36:20 +0200 Organization: A noiseless patient Spider Lines: 24 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: Sat, 10 Aug 2024 00:36:20 +0200 (CEST) Injection-Info: dont-email.me; posting-host="8cf6e170d08e605addc61243abfaaf20"; logging-data="235240"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+zGY+lbKUylyzPWLiTLwdO" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:Qx9NTVX0zKb+Xt92teLsuT96saA= Content-Language: de-DE In-Reply-To: Bytes: 2588 Am 09.08.2024 um 05:34 schrieb Jim Burns: > On 8/8/2024 5:56 PM, FromTheRafters wrote: >> Chris M. Thomasson has brought this to us : >>> 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 [...] element. >>> >>> The first unit fraction is 1/1, there is no last one... >> >> ... or there is a last one but no first one. Which is the case in respect to the usual < defined on ÌR. 1/1 is the <-largest/last unit fraction and there is no <-smallst/first unit fraction. Rather simple facts. Expect in Mückenhausen of course,