Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: "Chris M. Thomasson" Newsgroups: sci.math Subject: Re: The set of necessary FISONs Date: Thu, 30 Jan 2025 01:16:12 -0800 Organization: A noiseless patient Spider Lines: 11 Message-ID: References: <903de8e1-3538-4cfe-9f7a-6509eda47ab6@att.net> <3844edd7-0750-4418-bff6-2759817446b3@att.net> <27377646-137a-4f8f-a7bb-a75707b2da96@att.net> <4d349964-211f-42f1-936f-81c22ae54cb5@att.net> <6e0c8ab2-402a-43a5-a348-0c727eae6a2e@att.net> <87e2e677c7802c9c17df6063f340cb5857d5700b@i2pn2.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Thu, 30 Jan 2025 10:16:14 +0100 (CET) Injection-Info: dont-email.me; posting-host="091d2a8cde5b8033da19e4feb77a88d2"; logging-data="3032527"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+OqwVzaeHhkz6aql6FU71ca6R8nX4UCbc=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:gAvanB8UIzhcK0OXgXMDdDWrff0= In-Reply-To: Content-Language: en-US Bytes: 2322 On 1/30/2025 1:14 AM, WM wrote: > On 29.01.2025 13:46, Richard Damon wrote: > >> We can in fact build an infinite set of infinite sets of FISONs whose >> union is the set of Natural Numbers, > > > Do it. Build such a set. I will show that it fails because all FISONs > are useless for reaching the aim. Are you dense? Well, perhaps not do dense?