separated sets
Sign in to savetype of relation for subsets of a topological space
Connections
continuous function
Entity
topological space
Entity
open set
Entity
Hausdorff space
Entity
closed set
Entity
normal space
Entity
mathematics
Entity
International Standard Book Number
Entity
topology
Entity
Andrey Kolmogorov
Entity
empty set
Entity
subset
Entity
interval
Entity
metric space
Entity
intersection
Entity
manifold
Entity
number line
Entity
algebraic topology
Entity
ball
Entity
complement
Entity