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: Sun, 16 Feb 2025 07:27:34 -0500 Organization: Peripheral Visions Lines: 23 Message-ID: References: <0d24c3fd-cd63-4e21-9dd4-ab1360560b09@att.net> <79920977-902d-4f59-a11c-497383221c82@att.net> <468b9c37-ba93-485c-8685-4b320e168251@att.net> <68bab5c2-50d3-43fc-be0d-51e01c5952bb@att.net> <1e5cb0d4-f447-4fa7-b1e9-8056b03d27a2@att.net> <7f762a2f-3d54-4331-a102-cb57b90ffec7@att.net> <57d34706-eab7-44fa-af32-52051b704035@att.net> <9af031ed2db2fbbb8a21686dabbe190a61961d6c@i2pn2.org> <0e17a354200d77ef2bcad44dd128c34457bc49cd@i2pn2.org> Reply-To: erratic.howard@gmail.com MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Sun, 16 Feb 2025 13:27:35 +0100 (CET) Injection-Info: dont-email.me; posting-host="ddba7caae5f04a32cf792a0186aa6c00"; logging-data="630684"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19m5oIdQtKWsCQuCdcE4s5fqvzagau4fWk=" Cancel-Lock: sha1:OT312/UjQRKNDwYF51YlU4rxLKI= X-ICQ: 1701145376 X-Newsreader: MesNews/1.08.06.00-gb Bytes: 2937 joes was thinking very hard : > Am Sun, 16 Feb 2025 11:36:32 +0100 schrieb WM: >> Am Sat, 15 Feb 2025 17:42:51 +0000 schrieb joes: >>> Am Sat, 15 Feb 2025 13:56:17 +0100 schrieb WM: >>>> On 14.02.2025 20:48, Jim Burns wrote: >>>>> On 2/14/2025 8:02 AM, WM wrote: >>> >>>>>>> The set of rows and the set of columns are both the size of ⋃{F} >>>>>>> and each other. >>>>>> Yes, that is potentially infinite. >>>>> The set of rows, the set of columns, and ⋃{F} do not change. >>>> Then it would need to contain ℕ, as an infinite FISON. >>> Nah. Then it would be finite. > No further rows would be needed. Actually, the first column is N. > >>>>> Bob is not anywhere he has swapped to. >>>> Then your logic allows lossless exchanges with losses. Not acceptable. >>> Only in the limit of the permutations, which may not be a permutation >>> itself. >> There is no limit in counting if countable sets are really countable. > Bravo, you wilfully misunderstood „limit”. He also apparently misunderstands countable.