The axioms of topology
50966
In a topological space, why the intersection only has to be finite?
9158
Proving that a propositional theory of any cardinality has an independent set of axioms
119312
Product and Box Topologies
153634
A statment about the equivalence between the Axiom of Choice and the surjectivity of the projections.
103717
Topological Property of the Set of Integers
51871
Characterization of Topology
157578
perfect map in topology
7865
Complete Newbie: Axiom of Foundation Exercise
108226
Are these bases for a topology?
70048
In which topologies do open sets maintain open under countable or arbitrary intersection?
66548
proving topological equivalence
147793
A variation on the induced topology (subspace topology)
23414
Topologist's Sine Curve: A rigorous proof of why $\overline{S} = S \cup V$
120685
Topology induced from Kuratowski Closure properties
59820
ZF Extensionality axiom
20252
The Axiom of Choice and the Cartesian Product.
88205
How can I define a topology on the empty set?