85

Answers
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19
Old books still used
15
incompleteness in real analysis
14
Examples where adding complexity made a problem simpler
14
A question about the comparability of large cardinals.
14
What is the best *general triangle*?
14
Is it possible to reconstruct an order type from its initial segments?
12
When (if ever) disclose your identity as a reviewer?
12
Compactness of the Hilbert cube without the Axiom of Choice
12
A G-delta-sigma that is not F-sigma?
12
Can we unify addition and multiplication into one binary operation? To what extent can we find universal binary operations?
11
Cohen reals and strong measure zero sets
11
Large cardinals and constructible universe
11
Formal proof of Con(ZFC) => Con(ZFC + not CH) in ZFC
11
References for the result that $\sqrt{n}$ is equidistributed mod 1
10
Can we put a Probability Measure on every $\sigma$-Algebra?
10
If $V$ is a vector space with a basis. $W\subseteq V$ has to have a basis too?
10
A question about the Axiom of Choice and straight lines in the Euclidean plane.
10
Existence of unknowable algorithms ?
9
Well-ordering with a topological property
8
Why does the Solovay-Tennenbaum theorem work?
8
Math for a cake (2)
8
Cardinality of a certain set of distinct subsets of $\mathbb{N}$
8
Destroying the P-filter-property (2)
8
Cardinality of cofinal set of normal functions $f \colon \omega_1 \to \omega_1$
8
Is there constructive proof of the fact that every recursive set $A \ne \varnothing$ is recursively enumerable in non-decreasing order?
8
Extracting countable chains from linear orders
7
Free product of Boolean algebras
7
Independent families of subsets of $\mathbb N$ of size continuum
7
Axiomatic Set Theory
7
Background for classic forcing
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