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: Sun, 20 Oct 2024 23:04:50 -0000 (UTC) Organization: i2pn2 (i2pn.org) Message-ID: References: <3f5fcf13171337f1c3d2ef84cc149be327648451@i2pn2.org> <97b84c07aa526903a0788584f7f7ae9121f8b81f@i2pn2.org> <60f1280e-e226-4314-8eca-da5410be8ca3@tha.de> <96a7aa944085e76faed69c8db9a8dca599e1a159@i2pn2.org> <7d314712-c5b5-4dfc-af61-3885ccf1c771@tha.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Sun, 20 Oct 2024 23:04:50 -0000 (UTC) Injection-Info: i2pn2.org; logging-data="2857145"; 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: 2884 Lines: 21 Am Sat, 19 Oct 2024 10:23:05 +0200 schrieb WM: > On 18.10.2024 03:26, Richard Damon wrote: >> On 10/17/24 2:46 PM, WM wrote: > >>> When doubling natural numbers we obtain even numbers which have not >>> been doubled. >> Then your "Actual Infinity" wasn't actually infinte. >> As it must contain *ALL* the Natural Numbers to be that set. > Therefore the double numbers are not natural but infinite. Then half of an infinite number is finite? >>> 2n > n is always true, in finite and in infinite sets. >> In FINITE or ORDINAL systems, and there 2n will be in the same actually >> infinite set as n. > That is not possible if all natural numbers are doubled. The result > covers the interval (0, ω*2) twice as large as the original one (0, ω). This destroys the ordering. If m>n, then 2m>2n. >> In Infinte Cardinal spaces (like Aleph_0 is in) 2n == n -- 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.