Kolmogorov space
From Conservapedia
A Kolmogorov space (or T0 spaces) is a topological space X in wich for any two points a, b, there is an open set U such that
and
or
and
.
A Kolmogorov space (or T0 spaces) is a topological space X in wich for any two points a, b, there is an open set U such that
and
or
and
.