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: The set of necessary FISONs Date: Sat, 22 Feb 2025 05:16:27 -0500 Organization: Peripheral Visions Lines: 14 Message-ID: References: <340761ab1ceb68741d949331a0c64a3d6d5fa237@i2pn2.org> <865ffa4c4c1091981c5b3b93ddf3dba690cd5ad2@i2pn2.org> <559d228c01ea290aec13e735ec85036862578165@i2pn2.org> <5220af0cb7d579f20d58809659d8dcb8d7ba046c@i2pn2.org> <685c1274-e22f-409d-b39c-c3a5430c2f57@att.net> <69f56ce0-08a2-4614-b102-e333175c643d@att.net> <9a88665f-211f-4260-b585-97c72c7b6d1b@att.net> <8bed122d8b355eff96158e6f5cb76cffcc42925c@i2pn2.org> <7a26856916099747e76314a2b4c79693e14426fd@i2pn2.org> Reply-To: erratic.howard@gmail.com MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15"; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Sat, 22 Feb 2025 11:16:34 +0100 (CET) Injection-Info: dont-email.me; posting-host="7c26a6f785c58bda4533875532e14e1b"; logging-data="4105487"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19NSTAQdVi42Eb0FM6Zh2hIqg1nKie9ybY=" Cancel-Lock: sha1:53CQvj4CQI/+mcy8o6yh2nCjKl8= X-ICQ: 1701145376 X-Newsreader: MesNews/1.08.06.00-gb Bytes: 2419 WM wrote on 2/22/2025 : > On 21.02.2025 19:45, joes wrote: >> Am Fri, 21 Feb 2025 18:17:32 +0100 schrieb WM: > >>> Zermelo claims to secure the existence of set Z. >>> This set can be handled, for instance removed from Z. A set containing Z >>> is not useful in this context. >> Z is not a set containing Z; Z cannot be "removed" from Z. > > Of course removing all elements from Z produces the empty set. The difference set between Z and Z is the empty set. *SETS DON"T CHANGE*