Are classes that are not sets big?
158901
Do there Exist Proper Classes that aren't "Too Big"
103523
C++: What is the size of an object of an empty class?
44004
Quick question about subsetting via character-class
140163
Can a class have no constructor?
39129
Simplest Example of a Poset that is not a Lattice
95187
The set of homotopy classes
82528
Is the set of points or the set of lines on a plane "larger"?
93015
A -> B, B -> A classes association
136883
The class of equivalence.
109289
Unloading classes in java?
25421
Simple or not simple Groups
4213
The set that only contains itself
160
homeomorphism non-example
96892
Number of Non-isomorphic models of Set Theory
67144
Is list::size() really O(n)?
41937
Can one construct a non-measurable set without Axiom of choice?
83615
split conjugacy class in $S_n$ into two equal size conjugacy classes in $A_n$