Stable set of maximum cardinal
1274
Prove that an algorithm that generates a stable set of a graph can be used in any graph for generating a stable set of maximum cardinal.
9651
Cardinality of cartesian product of an infinite set with N
157079
Maximal cardinality of a family of pairwise disjoint "figure eights" in the plane
79974
The cardinality of Lebesgue sets
83518
Proving Two sets have same cardinality
81509
The cardinality of a countable union of countable sets, without the axiom of choice
146062
A "Cantor-Schroder-Bernstein" theorem for partially-ordered-sets
146204
Subsets sharing at most $i$ elements
139826
arbitrary large finite sums of an uncountable set.
12701
Perfect set without rationals
109054
Given an infinite set of cardinality $X$, is there a chain in $\mathcal P(X)$ of the same cardinalty of $\mathcal P(X)$?
86914
Cardinality of the set of hyperreal numbers
127242
$|A\times B|= \text{max}(|A|,|B|)$ for infinite sets
158671
Cardinality of a set that consists of all existing cardinalities
3023
Construction of a Borel set with positive but not full measure in each interval
158507
Max family of odd subset of a nested set.
20478
Mathematical expression for $n$ largest values in a set