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Mathematics
Joel Adler's user avatar
Joel Adler's user avatar
Joel Adler's user avatar
Joel Adler
  • Member for 12 years, 1 month
  • Last seen more than a week ago
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I am lecturer at the Pädagogische Hochschule Bern.

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Top posts
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answer
8
Easy example why complex numbers are cool
Dec 29, 2014
question
7
Sum of cardinals without AC
Aug 10, 2012
question
7
Existence of a bijection without AC
Aug 10, 2012
question
7
Multiplicative structure without unique prime factorisation
Dec 20, 2014
question
5
Liouville sequences
Dec 21, 2014
question
4
Is the cardinal $2^{\aleph_0}$ regular, working in ZFC?
Sep 24, 2017
question
4
Fragment of ZFC to prove first-order completeness theorem
Feb 6, 2018
question
4
Ehrenfeucht-Fraïssé games on linear orders
May 8, 2018
answer
4
I roll a die repeatedly until I get 6, and then count the number of 3s I got. What's my expected number of 3s?
Sep 7, 2015
question
3
Algebraic number of degree four that cannot be constructed with ruler and compass
Dec 23, 2014
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Nontrivial theorems with trivial proofs