Is the set inside a set subset of the bigger set?
5230
Why can a 1 element set be a member of another set but not a subset of it?
122271
A subset of a transitive set is transitive
147484
For a set with N members, what is the number of set partitions in which each subset is either of size 1 or 2?
150825
Is an empty set equal to another empty set?
140668
Union of $2$ set $A, B$ where $ A$ is a subset of $B$
45485
Dimension of a subset
153551
Is the null set a subset of every set?
64519
Subsets of a list
16056
Is empty set element of every set if it is subset of every set?
62208
If $A$ is a non-empty set, then $A \notin A$
17461
Show that a set is dense in $[-1,1]$
155063
Is Cl(f(A)) a subset of f(Cl(A))?
93157
If $A \subseteq B$, does $\mbox{dist}(x,\partial A) \le \mbox{dist}(x, \partial B)$ hold for all $x \in A$
72440
Partition a set into $k$ non-empty subsets
44430
Is there an open dense set $S \subset [0,1]$ such that $m(S)<1$?
21754
Partition a set into subsets of size $k$
51434
What does the symbol $\subset\subset$ mean?