Path: ...!news.mixmin.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: FromTheRafters Newsgroups: sci.math Subject: Re: How many different unit fractions are lessorequal than all unit fractions? Date: Tue, 01 Oct 2024 17:11:06 -0400 Organization: Peripheral Visions Lines: 59 Message-ID: References: <298dcb6f-5f58-48b6-80e3-34260bf721f8@att.net> <283c426f-ab1c-4ef0-a06c-1bf7d28a2cfa@att.net> <6b50a171-8127-4ce6-9bd3-2dc213638e9b@att.net> <519db81b-4a4d-417d-8cd2-7fef5a342efd@att.net> <6704347e-2f99-40f2-887f-de93f6fdd659@tha.de> <8b3e744d-3419-40c3-a7c6-fe59edd528a9@tha.de> <52f2f1b438b49812b0dac031a7dcb5e1cf8e7259@i2pn2.org> <68ff21abb8e0f40ff2d435fa2077b9f44c5a55b3@i2pn2.org> <3fc406c327f7e3d57710b0ba16167ee522450253@i2pn2.org> Reply-To: erratic.howard@gmail.com MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15"; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Tue, 01 Oct 2024 23:11:10 +0200 (CEST) Injection-Info: dont-email.me; posting-host="af43e1175a5023065f2fb5ecb222598d"; logging-data="3043361"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19H5gEVOuVWWa+zY0JnYg6sqZsvaOoTlx8=" Cancel-Lock: sha1:C+LN3PCnToNkBICWP+C84HZSSpA= X-Newsreader: MesNews/1.08.06.00-gb X-ICQ: 1701145376 Bytes: 3646 Chris M. Thomasson wrote : > On 10/1/2024 6:28 AM, FromTheRafters wrote: >> Chris M. Thomasson wrote : >>> On 9/30/2024 4:13 AM, Richard Damon wrote: >>>> On 9/29/24 3:16 PM, WM wrote: >>>>> On 28.09.2024 14:58, Richard Damon wrote: >>>>>> On 9/27/24 3:06 PM, WM wrote: >>>>>>> On 25.09.2024 19:12, Richard Damon wrote: >>>>>>> >>>>>>>> The problem is that it turns out the NUF(x) NEVER actually >>>>>>>> "increments" by 0ne at any finite point, it jumps from 0 to infinity >>>>>>>> (Aleph_0) in the unboundedly small gap between 0 and all x >>>>>>>> > 0, >>>>>>> >>>>>>> How do you distinguish them? >>>>>> >>>>>> They have different values, so why can't you? >>>>> >>>>> Then distinguish the first one. >>>>> >>>>> Regards, WM >>>> >>>> There isn't a first one. >>>> >>>> Show me a circle with 4 sides. >>> >>> ;^) Humm, an n-gon where n is taken to infinity is a circle? >> >> As n goes to infinity, the angle of the vertices goes to 180 degrees -- is >> a straight line a circle? > > No. As n goes to infinity it makes a circle. Think of a finite view of a > "large" number for n: > _________________________ > n = 696969 > > normal_base = 1.f / n; > > for (i = 0; i < n; ++i) > { > normal = normal_base * i; > angle = pi2 * normal; > > p0 = { cos(angle), sin(angle) }; > > plot(p0); > } > _________________________ > > I typed this in the newsreader, so sorry for any typos! This a finite view of > a unit circle. Not a line. > > Take n to infinity, well, its a circle... > > Taking an n-gon to infinity is a circle. It is 'never' a circle. https://www.craig-wood.com/nick/articles/pi-archimedes/