Give all groups of cardinality 12.
112165
Classification of groups of order 12
141379
All groups where underlying set has at most 4 elements
81892
Find four groups of order 20 not isomorphic to each other.
31318
Cardinality of cartesian square
132537
Class of sets of a given infinite cardinality
15396
Enumerating all subgroups of the symmetric group
63253
Computing easy direct limit of groups
60982
Group where every element is order 2
101669
Cardinality of the Set of all finite subset of $\mathbb{R}$
21531
The number of nonnegative integer triples with sum equal to $12$
153305
Adding subsets of regular cardinals (Jech p. 226)
97697
Countable union of sets of cardinality $c$ has cardinality $c$
62687
Proving Cardinality of Cosets in Abstract Algebra
96845
Question: Compare the cardinality between the sets $\Bbb R$ and $\Bbb N^{\Bbb N}$
16553
Cardinality of the set of all total orders on $\Bbb{N}$
144735
Possible cardinality of power sets
157079
Maximal cardinality of a family of pairwise disjoint "figure eights" in the plane