Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: Moebius Newsgroups: sci.math Subject: Re: The reality of sets, on a scale of 1 to 10 [Was: The non-existence of "dark numbers"] Date: Fri, 28 Mar 2025 02:02:29 +0100 Organization: A noiseless patient Spider Lines: 16 Message-ID: References: <9e0c7e728f7de44e13450d7401fe65d36c5638f3@i2pn2.org> <3449b34c60603bf59f694df42857003d0bda7ab5@i2pn2.org> Reply-To: invalid@example.invalid MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Fri, 28 Mar 2025 02:02:30 +0100 (CET) Injection-Info: dont-email.me; posting-host="d2da3cd5195fdaaed916adebb75b50c8"; logging-data="1591869"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+kSqMAuTer1rF2WhKWvXwg" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:Dph2U9vFCYj5W8dfqG62X7zILFM= Content-Language: de-DE In-Reply-To: Bytes: 2076 Am 27.03.2025 um 21:11 schrieb WM: > Am 26.03.2025 um 23:18 schrieb Moebius: >> Am 26.03.2025 um 22:38 schrieb Alan Mackenzie: >>> WM wrote: > >> >>>> The number of [...] rooms in Hilbert's hotel is infinite but [...] >>>> grow[s]. >> >> No, it doesn't. > > And the number of guests? Is still the same: aleph_0. It's just the "reality" (->Cantor) of guests that has grown by one. :-)