Category:T0 Spaces

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This category contains results about T0 Spaces in the context of Topology.

$\struct {S, \tau}$ is a Kolmogorov space or $T_0$ space if and only if:

$\forall x, y \in S$ such that $x \ne y$, either:
$\exists U \in \tau: x \in U, y \notin U$
$\exists U \in \tau: y \in U, x \notin U$


This category has the following 5 subcategories, out of 5 total.