Second-countable space - Axioms of Choice

Processing math: 100%

Second-countable space

Set

context	$X$ … set
definiendum	$\langle X,T\rangle\in$ it
inclusion	$\langle X,T\rangle$ … topological space
exists	$B\subseteq T$
postulate	$B$ … countable base

Discussion

Parents

Subset of

Topological space

Requirements

Countable base for a topology

Log In

Improvements of the human condition