Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: WM Newsgroups: sci.math Subject: Re: Incompleteness of Cantor's enumeration of the rational numbers (extra-ordinary) Date: Thu, 19 Dec 2024 15:58:21 +0100 Organization: A noiseless patient Spider Lines: 37 Message-ID: References: <33512b63716ac263c16b7d64cd1d77578c8aea9d@i2pn2.org> <069069bf23698c157ddfd9b62b9b2f632b484c40@i2pn2.org> <2d3620a6e2a8a57d9db7a33c9d476fe03cac455b@i2pn2.org> <3c08ed64fa6193dc9ab6733b807a5c99a49810aa@i2pn2.org> <357a8740434fb6f1b847130ac3afbd33c850fc37@i2pn2.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Thu, 19 Dec 2024 15:58:21 +0100 (CET) Injection-Info: dont-email.me; posting-host="b073b4606e4aae76152a468e84e37494"; logging-data="3043229"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+d096qD8w/z+v49HlJuAs2WMsEVl5wxP0=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:bzrdHFoBaZXr3p6LnLa8MQVKLDw= Content-Language: en-US In-Reply-To: Bytes: 3342 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, 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