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From: WM <wolfgang.mueckenheim@tha.de>
Newsgroups: sci.math
Subject: Re: How many different unit fractions are lessorequal than all unit
 fractions?
Date: Tue, 24 Sep 2024 21:35:23 +0200
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On 24.09.2024 00:53, Richard Damon wrote:
> On 9/23/24 8:57 AM, WM wrote:

>> Yes. Therefore the smallest unit fraction must be dark.
> 
> Which is something that doesn't exist.

The function NUF(0) increases. ∀n ∈ ℕ: 1/n - 1/(n+1) > 0 proves that it 
can gain only one unit fraction at any point x ∈ ℝ, hence NUF has to 
pass the value 1.

Regards, WM