137

Answers
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13
Examples of common false beliefs in mathematics.
19
Mathematical “urban legends”
12
Awfully sophisticated proof for simple facts
3
Most memorable titles
53
Proofs that require fundamentally new ways of thinking
11
Knuth’s intuition that Goldbach might be unprovable
6
Books you would like to read (if somebody would just write them…)
10
Quick proofs of hard theorems
14
What notions are used but not clearly defined in modern mathematics?
20
Solutions to the Continuum Hypothesis
29
Non Borel sets without axiom of choice
18
Proofs of the uncountability of the reals.
22
Is all ordinary mathematics contained in high school mathematics?
25
Arguments against large cardinals
1
A question about ordinal definable real numbers
16
Do sets with positive Lebesgue measure have same cardinality as R?
4
Open problems in Euclidean geometry ?
34
Completion of ZFC
7
Approximation with continuous functions
3
Basic results with three or more hypotheses
9
Can we color Z^+ with n colors such that a, 2a, …, na all have different colors for all a?
4
Fermat numbers and the infinitude of primes
19
Can we have A={A} ?
2
Important open problems that have already been reduced to a finite but infeasible amount of computation
4
Compactness Theorem for First Order Logic
16
Is the Riemann Hypothesis equivalent to a $\Pi_1$ sentence?
14
How much of ZFC does Quine’s New Foundations prove?
10
Connections between ultrafilters in topology and logic
8
Does constructing non-measurable sets require the axiom of choice?
6
Constructions unique up to non-unique isomorphism
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