What's the correct version of this "product rule" is topology?
75604
Proof that $\partial(A\times B) = ((\partial A)\times B)\cup (A\times(\partial B))$
59644
Proof of Cartesian product intersection
105437
How can I show these two metrics give the same topology?
14713
$X=(-\infty,0]\cup\left\{{1\over n}:n\in\mathbb N\right\}$ with subspace topology Then
156922
Proving convergence iff projection converges in product topology
114437
Why is this the basis for the indiscrete topology?
135025
Axiomatization of a Topology using the Boundary
145981
Introductory book on Topology
158523
Topology: Proof that a finitely generated cone is closed
46788
Compact open topology on space of continuous maps from a discrete space is a product
140168
What are the basis for co-countable and co-finite topologies
133820
The product topology on $\mathbb R_d\times \mathbb R$ vs. the dictionary order topology on $\mathbb R\times \mathbb R$
17165
Is total boundedness a topological property?
147793
A variation on the induced topology (subspace topology)
115173
The Cantor set is homeomorphic to infinite product of $\{0,1\}$ with itself - cylinder basis - and it topology
112080
Proving the Product Rule for exponents with the same base
146261
Difference between topology and sigma-algebra axioms.