Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!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: Tue, 7 Jan 2025 11:31:25 +0100 Organization: A noiseless patient Spider Lines: 19 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> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Tue, 07 Jan 2025 11:31:25 +0100 (CET) Injection-Info: dont-email.me; posting-host="ae605ac3e7bf74a89532ac4e88c94750"; logging-data="2267880"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/Qy9OUgtvToJlIBRif5gCkIkCS4fQtVHY=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:d9ZgpBzHkV8y2cvIkUthWcasJJA= Content-Language: en-US In-Reply-To: Bytes: 2685 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? > > 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. Regards, WM