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: Wed, 18 Dec 2024 20:14:39 +0100 Organization: A noiseless patient Spider Lines: 24 Message-ID: References: <10fbe4d3-a1d1-4740-8d23-8cd96f3b9bfc@att.net> <696c5a55-3cb6-4fa7-bd11-9b8f8eeeaef7@att.net> <3f902f42-e435-4a44-a179-687ad2a33f16@att.net> <4f0bc5b5-aba7-4c19-91f7-d4f9788591a0@att.net> <6c74c2e9-17d7-4eb4-afcd-c058309b6c8a@tha.de> <4327ba4a-e810-4565-83e8-b9572018ac35@att.net> <4051acc5-d00a-40d2-8ef7-cf2b91ae75b6@att.net> <8d69d6cd-76bc-4dc1-894e-709d044e68a1@att.net> <7356267c-491b-45c2-b86a-d40c45dfa40c@att.net> <4bf8a77e-4b2a-471f-9075-0b063098153f@att.net> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Wed, 18 Dec 2024 20:14:40 +0100 (CET) Injection-Info: dont-email.me; posting-host="88b112977a5337b1fc88536ec63c3cc2"; logging-data="2551104"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18geyjbLUKjDvwFPS6XqOtwJqYFQqkfh+U=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:elaD7tpo6PfdAHQcTVXLVX5NRFI= Content-Language: en-US In-Reply-To: <4bf8a77e-4b2a-471f-9075-0b063098153f@att.net> Bytes: 2734 On 18.12.2024 19:22, Jim Burns wrote: > On 12/18/2024 7:40 AM, WM wrote: >>> The infinite end.segments of finite.cardinals >>> do not include any finite end.segments and >>> they have an empty intersection. >> >> Explicitly wrong. >> As long as only infinite endsegments are concerned their intersection >> is infinite. >> >> There are no limits involved. > > Then it would be great if you (WM) > stopped calling things 'limit sets' The sets described here are not limit sets. f(k) = ∩{E(1), E(2), ..., E(k)} with E(1) = ℕ ∀k ∈ ℕ : ∩{E(1), E(2), ..., E(k+1)} = ∩{E(1), E(2), ..., E(k)} \ {k}, ∩{E(1), E(2), ...} is empty. Other sets are not in the argument. Regards, WM