Path: ...!news.nobody.at!weretis.net!feeder8.news.weretis.net!pasdenom.info!from-devjntp Message-ID: JNTP-Route: news2.nemoweb.net JNTP-DataType: Article Subject: Re: how References: <44eaef1b-35be-4b50-900b-52b010ba9aa0@att.net> <_g9BcdiKQ1epFrcvM4FSF2rZkN8@jntp> <7FlE2ap2lYCEKbW6F4ekYb8aZ3s@jntp> Newsgroups: sci.math JNTP-HashClient: NcWSggvV80k8hhYRv9rb5Y8uGok JNTP-ThreadID: 4YLc1knY-8u5i_KQ0oWqy89D7aY JNTP-Uri: http://news2.nemoweb.net/?DataID=dwY7DxLxccg8jba1S8agTboOmX8@jntp User-Agent: Nemo/0.999a JNTP-OriginServer: news2.nemoweb.net Date: Tue, 16 Apr 24 14:24:08 +0000 Organization: Nemoweb JNTP-Browser: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36 Injection-Info: news2.nemoweb.net; posting-host="c1c866c3acf0404db24465180a0b9fb0209c9578"; logging-data="2024-04-16T14:24:08Z/8819078"; posting-account="217@news2.nemoweb.net"; mail-complaints-to="julien.arlandis@gmail.com" JNTP-ProtocolVersion: 0.21.1 JNTP-Server: PhpNemoServer/0.94.5 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-JNTP-JsonNewsGateway: 0.96 From: WM Bytes: 1824 Lines: 10 Le 15/04/2024 à 14:54, Tom Bola a écrit : > WM >> Doubling all cannot be >> absorbed by existing natnumbers. > > There is no "doubling" since functions are relations between 2 fixed sets. 4*2 doubles 4. {1, 2, 3, ..., ω}*2 doubles the domain of the elements. Regards, WM