Cantor's Intersection Theorem with closed sets
133086
When Cantor's Intersection theorem won't work with closed sets
114608
Proof concerning regular space: there exist a closed set contained in any open set containing $x$
33310
Proving that the set of limit points of a set is closed
109229
An Example of a Nested Decreasing Sequence of Bounded Closed Sets with Empty Intersection
128844
An empty intersection of decreasing sequence of closed sets
115502
Analogue of the Cantor-Bernstein-Schroeder theorem for general algebraic structures
94825
Open set as a finite union of closed sets
115625
Intersection of two open dense sets is dense
112303
Distances between closed sets on metric spaces
111008
Show that $X $ is a infinite set ,it is connected in the finite complement topology?
15480
Open set in a metric space is union of closed sets
42698
Set of limit points of a subset of a Hausdorff space is closed.
11383
Disjoint compact sets in a Hausdorff space can be separated
88028
Topology - closures of intervals with the order topology
27661
The closed graph theorem in topology
3896
A closed set in $(A, \mathcal T_A)$ that is not closed in $(X, \mathcal T)$
58004
showing a collection of sets contain all closed sets