Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> Newsgroups: sci.math Subject: Re: Incompleteness of Cantor's enumeration of the rational numbers (extra-ordinary) Date: Thu, 19 Dec 2024 13:25:31 -0800 Organization: A noiseless patient Spider Lines: 45 Message-ID: <vk230a$31gie$1@dont-email.me> References: <vg7cp8$9jka$1@dont-email.me> <vj9s4i$11a3p$1@dont-email.me> <vjam6d$1700v$1@dont-email.me> <vjc65g$1i9vk$3@dont-email.me> <vjf7kl$2s7e5$1@dont-email.me> <vjfmq3$2upa9$3@dont-email.me> <c6b624cb0b1b55d54aab969ee5b4e283ec7be3cd@i2pn2.org> <vjhp8b$3gjbv$1@dont-email.me> <dc9e7638be92c4d158f238f8c042c8559cd46521@i2pn2.org> <vjjg6p$3tvsg$1@dont-email.me> <c31edc62508876748c8cf69f93ab80c0a7fd84ac@i2pn2.org> <vjka3b$1tms$3@dont-email.me> <e11a34c507a23732d83e3d0fcde7b609cdaf3ade@i2pn2.org> <vjmse3$k2go$2@dont-email.me> <069069bf23698c157ddfd9b62b9b2f632b484c40@i2pn2.org> <vjooeq$11n0g$2@dont-email.me> <2d3620a6e2a8a57d9db7a33c9d476fe03cac455b@i2pn2.org> <vjrfcc$1m1b2$1@dont-email.me> <3c08ed64fa6193dc9ab6733b807a5c99a49810aa@i2pn2.org> <vjss56$1tr00$2@dont-email.me> <357a8740434fb6f1b847130ac3afbd33c850fc37@i2pn2.org> <vjv6fb$2dujf$2@dont-email.me> <b0c7449413fec43bc18e8d2d67da1c779a350bc2@i2pn2.org> <vk1cad$2srst$1@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Thu, 19 Dec 2024 22:25:31 +0100 (CET) Injection-Info: dont-email.me; posting-host="d7ca23497301f77098352327da5c83f3"; logging-data="3195470"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18oDFYq4pfkmBBIJvKEXFgs22jtxVLfcuk=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:DxMdCMafC4iqpezXgRmx2YXqv1U= In-Reply-To: <vk1cad$2srst$1@dont-email.me> Content-Language: en-US Bytes: 3611 On 12/19/2024 6:58 AM, WM wrote: > On 19.12.2024 04:29, Richard Damon wrote: >> On 12/18/24 2:06 PM, WM wrote: >>> On 18.12.2024 13:29, Richard Damon wrote: >>>> On 12/17/24 4:57 PM, WM wrote: >>> >>>>> >>>>> You claimed that he uses more than I do, namely all natural numbers. >>>> >>>> Right, you never use ALL the natural numbers, only a finite subset >>>> of them. >>> >>> Please give the quote from which you obtain a difference between >>> "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." [G. Cantor, letter to R. Lipschitz >>> (19 Nov 1883)] >>> and my "the infinite sequence f(n) = [1, n] contains all natural >>> numbers n completely, and each of them only once at a determined place." >>> >> How is your f(n) an "infinite sequence, since n is a finite number in >> each instance. > > How is Cantor's sequence infinite since every positive rational number > is finite? >> >> NONE of your f(n) contains *ALL* natural numbers, since no "n" is the >> highest natural number, Cantor Pairing does not deal with rationals. It can create a unique pair of unsigned integers from any unsigned integer. Then we can use that unique pair to go back to the original unsigned integer. > > None of Cantor's terms q_n contains all rational numbers, sice no n is > the highest natural number. > >> Your problem is you just don't understand what "infinity" is > > Your problem is that you believe to understand it. > > Regards, WM >