Path: ...!weretis.net!feeder9.news.weretis.net!i2pn.org!i2pn2.org!.POSTED!not-for-mail From: joes Newsgroups: sci.math Subject: Re: How many different unit fractions are lessorequal than all unit fractions? (infinitary) Date: Wed, 16 Oct 2024 17:26:26 -0000 (UTC) Organization: i2pn2 (i2pn.org) Message-ID: References: <4bc3b086-247a-4547-89cc-1d47f502659d@tha.de> <09d9f0df-b1bb-42a7-af9b-890bfbcfc581@att.net> <3f63bc22-83b2-4d56-9837-849551170c77@att.net> <50ac7044-f8c1-47d9-947f-9fa6044e1848@tha.de> <68b8be64-7fe8-47e7-a991-7adf14713af5@att.net> <53460f91-4542-4a92-bc4b-833c2ad61e52@att.net> <29ce40e9-f18a-44d4-84d9-23e587cf9dea@att.net> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Wed, 16 Oct 2024 17:26:26 -0000 (UTC) Injection-Info: i2pn2.org; logging-data="2247835"; mail-complaints-to="usenet@i2pn2.org"; posting-account="nS1KMHaUuWOnF/ukOJzx6Ssd8y16q9UPs1GZ+I3D0CM"; User-Agent: Pan/0.145 (Duplicitous mercenary valetism; d7e168a git.gnome.org/pan2) X-Spam-Checker-Version: SpamAssassin 4.0.0 Bytes: 3262 Lines: 35 Am Wed, 16 Oct 2024 18:55:58 +0200 schrieb WM: > On 16.10.2024 17:34, Jim Burns wrote: >> On 10/16/2024 4:50 AM, WM wrote: > >>>> There is a general rule not open to further discussion: >>>> When doubling natural numbers we obtain natural numbers which have >>>> not been doubled. >>> CORRECTION: >>> When doubling natural numbers we obtain even numbers which have not >>> been doubled. >> The set S of ordinals which are finite  and for which their double is >> not finite is empty. > Maybe. Then not all natural numbers have been doubled. How do you mean? >> When doubling natural numbers (finite ordinals) >> we obtain natural numbers. > Maybe. Maybe?! >> When doubling all natural numbers we obtain only natural numbers. > That is impossible. This is the same statement as above. >>>> In potential infinity we obtain more even natural numbers than have >>>> been doubled. >>>> In actual infinity we double ℕ and obtain neither ℕ or a subset of ℕ. >> There is a general rule not open to further discussion: >> The natural numbers ℕ equal the finite ordinals 𝕆ᶠⁱⁿ > That is only possible in potential infinity. But there the result is > worthless. wtf "possible" "worthless" it is actually the case. -- Am Sat, 20 Jul 2024 12:35:31 +0000 schrieb WM in sci.math: It is not guaranteed that n+1 exists for every n.