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From: FromTheRafters <FTR@nomail.afraid.org>
Newsgroups: sci.math
Subject: Re: The reality of sets, on a scale of 1 to 10 [Was: The non-existence of "dark numbers"]
Date: Thu, 27 Mar 2025 14:29:16 -0400
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on 3/27/2025, Alan Mackenzie supposed :
> Moebius <invalid@example.invalid> wrote:
>> Am 27.03.2025 um 12:18 schrieb Alan Mackenzie:
>>> WM <wolfgang.mueckenheim@tha.de> wrote:
>
>>> Crank talk.  You don't understand limits, as I've already said.  Have you
>>> really got a degree in mathematics?  It seems unlikely.
>
>> WM doesn't have a degree in mathematics.
>
> He denied not having one.  Most of the time, people don't outright lie
> on Usenet.  They twist and turn, answering direct questiongs evasively
> and inadequately, and assert half truths.
>
> My working theory at the moment is that WM has some university degree
> which had a small component of mathematics, but that part of his degree
> didn't cover rigorous analysis or rigorous set theory, or anything much
> else rigorous.  His outpourings on this newsgroup (as well as on its
> German counterpart) pretty much rule out systematic study of the
> foundations of mathematics.
>
> Maybe WM would like to clarify exactly what his university degree
> consisted of.
>
>>>> Cantor's "bijections" are based upon potential infinity.
>
>> Complete nonsense.
>
> Indeed.

As I recall, he was a physicist and teaches a philosophy of mathematics 
type course. Probably empties wastebaskets too. ;)