Topological space - Infinite intersection of members
50966
In a topological space, why the intersection only has to be finite?
81423
Completeness and Topological Equivalence
14532
Closure of identity element in a topological group is the intersection of its neighborhood system
107000
Dimension of intersection of distinct subspaces
57468
Continuous homorphisms between topological groups.
7678
Show "countable complement topology" is a topology
106455
intersection of infinite collection of finite sets?
53429
In a complete metric space with no isolated points, any countable intersection of open dense sets is uncountable?
66239
Verifying that a certain collection of intervals of $\mathbb R$ forms a topology
147793
A variation on the induced topology (subspace topology)
135025
Axiomatization of a Topology using the Boundary
133633
A question about path-connected and arcwise-connected spaces
102485
Showing that a topological space is ${\rm T}_1$
157753
Show that any set in a metric space can be written as the intersection of open sets
26919
Intersection of Connected Sets
150796
Subspace topology and order topology (2)
19297
Is the cofinite topology on an uncountable set first countable?