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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? (infinitary)
Date: Mon, 21 Oct 2024 20:25:46 +0200
Organization: A noiseless patient Spider
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On 21.10.2024 14:30, Jim Burns wrote:
> On 10/21/2024 6:01 AM, WM wrote:

> How can you (WM) not.know what 'preimage' means?

I have lectured analysis in German only. I assumed that preimage is the 
set mapped to the image.

Regards, WM