Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: FromTheRafters Newsgroups: sci.math Subject: Re: Incompleteness of Cantor's enumeration of the rational numbers (extra-ordinary) Date: Tue, 07 Jan 2025 15:08:50 -0500 Organization: Peripheral Visions Lines: 34 Message-ID: References: <98519289-0542-40ce-886e-b50b401ef8cf@att.net> <8e95dfce-05e7-4d31-b8f0-43bede36dc9b@att.net> <53d93728-3442-4198-be92-5c9abe8a0a72@att.net> <9c18a839-9ab4-4778-84f2-481c77444254@att.net> <6db7afa9-f1e1-4d2b-beba-a5fc7a8b8686@att.net> <53806d5c-f456-4c13-8506-24c0b9ab310e@att.net> <931a709f-7dc7-46ed-a1a2-d0e1b60fc542@att.net> <0c4df4ba-a731-46ce-b2ef-80a497cf58eb@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: Tue, 07 Jan 2025 21:08:54 +0100 (CET) Injection-Info: dont-email.me; posting-host="df955ad94a3e4de7fcea6199322f49c9"; logging-data="2495237"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+Eub/brbIjif1VXUlTRB9IbW/MKvJghEM=" Cancel-Lock: sha1:m2IXdpElec/mTQGUfxba2GoFnJ8= X-ICQ: 1701145376 X-Newsreader: MesNews/1.08.06.00-gb Bytes: 3075 WM was thinking very hard : > On 07.01.2025 15:05, FromTheRafters wrote: >> WM wrote : >>> On 07.01.2025 10:51, FromTheRafters wrote: >>> >>>> First several von Neumann ordinals >>> >>> v. Neumann was bright but not bright enough. >>> Why should we use the nomenclature of his disproven theory? >> >> Disproven? >> >>>> 0     =     {}     =     ∅ >>>> 1     =     {0}     =     {∅} >>>> 2     =     {0,1}     =     {∅,{∅}} >>>> 3     =     {0,1,2}     =     {∅,{∅},{∅,{∅}}} >>>> 4     =     {0,1,2,3}     =     {∅,{∅},{∅,{∅}},{∅,{∅},{∅,{∅}}}} >>>> ===================================== >>>> >>>> Notice they start at zero (emptyset) >>> >>> It would be more important to reach the full set. >> >> It does, in the infinite union. > > It does not because the infinite union cannot be larger than every unioned > FISON. Just because you saya so? > Every unioned FISON is smaller than any definable fraction of the full > set ℕ. So what?