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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: Sat, 5 Oct 2024 11:43:50 +0200
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On 05.10.2024 10:46, Moebius wrote:

> a quantifier shift is NOT reliable und wird daher in 
> der Mathematik tunlichst vermieden (und nicht nur dort).

I many cases it is correct. For instance if every definable natural 
number has ℵo natural successors, then there are ℵo natural numbers 
larger than all definable natural numbers. They are dark however and 
cannot be specified.

Regards, WM