Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Moebius Newsgroups: sci.logic,sci.math Subject: Re: Replacement of Cardinality (infinite middle) Date: Mon, 12 Aug 2024 02:08:29 +0200 Organization: A noiseless patient Spider Lines: 9 Message-ID: References: <42d2b329-5394-47e0-b8c9-098908b2e9a8@att.net> <__cCn6h6Ey1Kz0BrIf6EShypg4M@jntp> <5f795e1a-346b-43f7-a2d2-7844591f5296@att.net> Reply-To: invalid@example.invalid MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Mon, 12 Aug 2024 02:08:29 +0200 (CEST) Injection-Info: dont-email.me; posting-host="f2ebd526eb339da74ac2f9d4a2e42237"; logging-data="3102427"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/ml88PbDV1TzG/oKfGSERN" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:DIBdkbxh5nqnX0tk8NmtQEa7nkE= Content-Language: de-DE In-Reply-To: <5f795e1a-346b-43f7-a2d2-7844591f5296@att.net> Bytes: 2137 Am 11.08.2024 um 23:38 schrieb Jim Burns: > On 8/11/2024 2:10 PM, Ross Finlayson wrote: >> How do you see omega > > ω is [...] is for each inductive set, > the intersection of inductive subsets. Indeed! See Halmos' "Naive Set Theory".