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1,249
Answers
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190
What are some reasonable-sounding statements that are independent of ZFC?
Nov 23 '09 at 17:45
150
What are the most misleading alternate definitions in taught mathematics?
Dec 6 '09 at 3:25
127
Is the analysis as taught in universities in fact the analysis of definable numbers?
Oct 29 '10 at 13:15
105
Solutions to the Continuum Hypothesis
May 19 '10 at 2:55
94
Where to buy premium white chalk in the U.S., like they have at RIMS?
May 28 '10 at 15:17
91
Most 'unintuitive' application of the Axiom of Choice?
Jul 15 '11 at 13:12
91
Reductio ad absurdum or the contrapositive?
Jan 20 '10 at 9:37
83
Theorems with unexpected conclusions
Mar 13 '10 at 21:51
79
Mistakes in mathematics, false illusions about conjectures
Jun 3 '14 at 12:45
75
Value of “of course” in the mathematical literature
Feb 23 '10 at 21:47
75
Which mathematical ideas have done most to change history?
Feb 1 '10 at 15:06
69
Why worry about the axiom of choice?
Apr 29 '10 at 3:37
68
Has philosophy ever clarified mathematics?
Oct 1 '14 at 6:29
63
Examples of common false beliefs in mathematics
May 5 '10 at 13:58
60
nontrivial theorems with trivial proofs
Jun 20 '10 at 1:25
57
Examples of eventual counterexamples
Jun 15 '10 at 3:21
56
Jokes in the sense of Littlewood: examples?
Sep 16 '10 at 12:51
52
Examples of common false beliefs in mathematics
May 4 '10 at 21:12
50
What are some reasonable-sounding statements that are independent of ZFC?
Nov 23 '09 at 17:56
49
Have you solved problems in your sleep?
Apr 27 '14 at 2:21
49
A remark of Connes
Mar 2 '11 at 11:51
48
Knuth's intuition that Goldbach might be unprovable
Jun 11 '10 at 2:05
46
How has “what every mathematician should know” changed?
Mar 25 '10 at 23:36
45
Proofs of the uncountability of the reals.
Nov 22 '10 at 18:27
44
Mathematicians wearing hats on arbitrary total orders
Mar 31 at 1:49
44
Theorems true but wrong.
Oct 5 '10 at 1:17
41
Can a problem be simultaneously polynomial time and undecidable?
Dec 2 '10 at 11:00
41
What are the most attractive Turing undecidable problems in mathematics?
Jan 12 '10 at 15:33
40
nontrivial theorems with trivial proofs
Jun 20 '10 at 1:16
38
Measurability and Axiom of choice
Jul 14 at 12:19
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