Path: ...!eternal-september.org!feeder2.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: WM Newsgroups: sci.math Subject: Re: How many different unit fractions are lessorequal than all unit fractions? (infinitary) Date: Tue, 29 Oct 2024 09:36:27 +0100 Organization: A noiseless patient Spider Lines: 24 Message-ID: References: <062a0fa5-9a15-4649-8095-22c877af5ebf@att.net> <276fc9df-619b-4a10-b414-a04a74aa7378@att.net> <88e6a631-417a-4dd0-9443-a57116dcbd28@att.net> <7a1e34df-ffee-4d30-ae8c-2af5bcb1d932@att.net> <6a90a2e2-a4fa-4a8d-83e9-2e451fa8dd51@att.net> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Tue, 29 Oct 2024 09:36:27 +0100 (CET) Injection-Info: dont-email.me; posting-host="e50a683728b58df22e55831d1e46b0f4"; logging-data="1567317"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19N2vT6DuUTuaO7GYVUu9kIH7ipMctu2Ik=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:d02oBXTi5/IuiGeTidHhwIpAd64= In-Reply-To: Content-Language: en-US Bytes: 2799 On 29.10.2024 00:58, Richard Damon wrote: > On 10/28/24 3:42 PM, WM wrote: >> I mean that there are unit fractions. >> None is below zero. >> Mathematics proves that never more than one is at any point. >> > Which doesn't mean there must be a first, as they aproach an > accumulation point where the density becomes infinite. Their density is bounded by uncountably many points between every pair of consecutive unit fractions: ∀n ∈ ℕ: 1/n - 1/(n+1) > 0. The density is one point over uncountably many points, that is rather precisely 0. > > Something which can't happen your world of finite logic, but does when > the logic can handle infinities. Where does the density surpass 1/10? Can you find this point? If not it is another proof of dark numbers. Regards, WM