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: The set of necessary FISONs Date: Sun, 23 Feb 2025 15:36:58 +0100 Organization: A noiseless patient Spider Lines: 9 Message-ID: References: <453a56f5a2e8545cd171150970864c62ecff7442@i2pn2.org> <1c8c4e43283da583e55f14e9b54c0d8f07864c88@i2pn2.org> <8546e6fc960a636cd84bbd71dd0eaecae1af9a16@i2pn2.org> <71701ee4-7e04-4c1a-b4a5-6a7f4162d6bc@no.org> <338bfe94c8da12f1a4db1ac8c379166f5f8c5d4f@i2pn2.org> <0fc2d595a7f635fb2168c0b696c6a6693e481600@i2pn2.org> <2c822ceeae0b14e37f93cdc66d3b26ae5fc2ec59@i2pn2.org> <11d8dbc4dd0d35dddd9bf57fee5998e9ff9ae0da@i2pn2.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Sun, 23 Feb 2025 15:36:58 +0100 (CET) Injection-Info: dont-email.me; posting-host="52f6fd28db1d05bae010495a472f7061"; logging-data="583852"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/4IHDplxgjL9xDghKIPSRdl2XTRvJTx5Y=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:RhDxeyOsv22fH4k6ZqS9xLZpWvA= In-Reply-To: <11d8dbc4dd0d35dddd9bf57fee5998e9ff9ae0da@i2pn2.org> Content-Language: en-US Bytes: 2155 On 23.02.2025 12:45, joes wrote: > No, there are infinitely many FISONs. Why not? Because ∀n ∈ U(F): |ℕ \ {1, 2, 3, ..., n}| = ℵo. Regards, WM >