Mathematics
Andreas Blass's user avatar
Andreas Blass's user avatar
Andreas Blass's user avatar
Andreas Blass
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All Questions Answers
Score Newest
answer
150
Why do we not have to prove definitions?
Aug 17, 2015
answer
80
not both $2^n-1,2^n+1$ can be prime.
Jul 25, 2013
answer
79
Division by $0$ and its restrictions
Dec 2, 2017
answer
67
Why are modular lattices important?
Jul 15, 2013
answer
56
Doesn't the unprovability of the continuum hypothesis prove the continuum hypothesis?
Sep 26, 2017
answer
55
What is limit superior and limit inferior?
Jun 17, 2013
answer
52
Can proof by contradiction 'fail'?
Mar 29, 2016
answer
48
What are disasters with Axiom of Determinacy?
Feb 15, 2015
answer
46
If there are $74$ heads and $196$ legs, how many horses and humans are there?
Apr 19, 2016
answer
43
Why isn't an infinite direct product of copies of $\Bbb Z$ a free module?
Mar 4, 2013
Top Meta posts
0
3
26
Is downvoting all solutions to a question that turns out to be a duplicate an acceptable use of downvotes?
5
How to deal with quantifier abuse?
5
I've put a large bounty to get the attention or to get a good answer, I got neither.
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248
What are some examples of colorful language in serious mathematics papers?
164
Set theories without "junk" theorems?
102
Mathematical "urban legends"
91
Is it "vita" or "vitae"? Why?
82
Why are many obviously pointless papers published, or worse studied?

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