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Halfdan Faber
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7 Answers

Score Activity Newest
8 votes

a^b = b^a when a is not equal to b.

ca.classical-analysis-and-odes
answered Jun 1, 2010 at 4:55
8 votes

Textbook recommendations for undergraduate proof-writing class

reference-request lo.logic soft-question teaching textbook-recommendation
answered Apr 25, 2011 at 2:38
7 votes
Accepted

number of zeroes in 100 factorial

nt.number-theory
answered Jul 20, 2012 at 18:30
5 votes

Colloquial catchy statements encoding serious mathematics

soft-question intuition big-list
answered Nov 1, 2009 at 4:29
3 votes

What's so special about transcendental numbers?

nt.number-theory
answered Nov 2, 2009 at 5:31
2 votes
Accepted

{transcendental numbers} \ {computable transcendental numbers}

computability-theory
answered May 30, 2010 at 1:47
1 vote

Does the Axiom of Choice (or any other "optional" set theory axiom) have real-world consequences?

set-theory mp.mathematical-physics applications axiom-of-choice axioms
answered Jun 23, 2010 at 5:34
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