Path: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: Julio Di Egidio Newsgroups: sci.math Subject: Re: All infinities are countable in ordinary mathematics Date: Tue, 6 May 2025 03:12:42 +0200 Organization: A noiseless patient Spider Lines: 16 Message-ID: References: <3S-dnddWM4DLW4r1nZ2dnZfqn_ednZ2d@giganews.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Tue, 06 May 2025 03:12:43 +0200 (CEST) Injection-Info: dont-email.me; posting-host="5bd6e37139f1e180703fb6e93d24bc3f"; logging-data="578006"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/s01hsLKJ9m5TRH/9sMnUsxeLBaYA7/CU=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:RhUFMAhfVNr3uMRx3E8toNPqK88= Content-Language: en-GB, it In-Reply-To: On 06/05/2025 03:03, Ross Finlayson wrote: > On 05/05/2025 04:57 PM, Julio Di Egidio wrote: >> 1) Diagonal arguments can be proved constructively >> 2) the connection to uncountability is not immediate > > Au contraire, uncountability arguments are non-constructive The new world: cannot reason in plain English. Get the fuck out of here, get a real job for a change. *Plonk* Julio