Path: ...!weretis.net!feeder8.news.weretis.net!reader5.news.weretis.net!news.solani.org!.POSTED!not-for-mail From: WM Newsgroups: sci.math Subject: Re: How many different unit fractions are lessorequal than all unit fractions? Date: Wed, 2 Oct 2024 13:57:54 +0200 Message-ID: References: <890ae313-aa9b-4f49-a53a-2374c9957f01@tha.de> <2555906859e8d5836476a38f4fc437a67872f331@i2pn2.org> <534e5cd6b7a01203c28113337f108c745e57c6ae@i2pn2.org> <380cad54-83a7-4f20-976e-01d810d66c0a@att.net> <841bf27c18dffdc4ce0ea4d6392ccdfea2cef821@i2pn2.org> <461bf21a7f094701b936484f17bd3d68211fcf81@i2pn2.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Wed, 2 Oct 2024 11:57:53 -0000 (UTC) Injection-Info: solani.org; logging-data="1100723"; mail-complaints-to="abuse@news.solani.org" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:0Zc/7PeqmN+44M/22+f6Sbvfn/Q= Content-Language: en-US X-User-ID: eJwNwYEBwCAIA7CXJtIyzykI/5+wJdhcrHCCjsForJUVejgne+tndgqJaU9KJY9YEKi8Jl9zDYHslr/7A5wfFyM= In-Reply-To: <461bf21a7f094701b936484f17bd3d68211fcf81@i2pn2.org> Bytes: 3062 Lines: 38 On 02.10.2024 13:17, Richard Damon wrote: > On 10/1/24 1:39 PM, WM wrote: >> On 01.10.2024 01:14, Richard Damon wrote: >>> On 9/30/24 11:15 AM, WM wrote: >>>> On 30.09.2024 00:29, FromTheRafters wrote: >>>>> WM explained on 9/29/2024 : >>>>>> On 28.09.2024 00:08, FromTheRafters wrote: >>>>>>  > WM presented the following explanation : >>>>>> >>>>>>  >> Between two unit fractions there is always a finite gap. >>>>>>  > >>>>>>  > How big? >>>>>> >>>>>> In terms of set theory: uncountably many points. >>>>> >>>>> How wide are these points? >>>> >>>> More than nothing. >>> >>> But it must be next to nothing, >> >> No, between them and nothing there are infinitely many countable sets >> and then finite sets of points. > > So your "smallest" wasn't the smallest, Of course all gaps between unit fractions are made of more than finitely many points. I never denied that. >>> which becomes nothing when we get to the actual infinite set. >> >> Not in mathematics. > > Sure it does. Try to learn the basics and to understand ∀n ∈ ℕ: 1/n - 1/(n+1) > 0. Regards, WMK