Re: to *** T. Winter

Eckard Blumschein wrote:
[snip]

... Brouwer realized that tertium non datur is
not valid for infinity. I guess it is also not valid for the genuine (in
the sense of uncountable) reals. Why is such stuff widely unknown?

Actually, this is rather widely -known-. However:
- it's not used / not needed by the majority of pure mathematicians
(specialization, you know)
- it's not widely known amongst sci.math posters
- it's typically not part of math courses for engineers and other non-mathematicians, certainly not 30 or 40 years ago.

(The latter 2 are to a large extent consequences of the first.)

--
Cheers,
Herman Jurjus
.

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