# nowhere dense

In a topological space $X$, a set $A$ is called nowhere dense if the interior of its closure is empty: $\operatorname{int}\overline{A}=\emptyset$.

Title nowhere dense NowhereDense 2013-03-22 12:43:35 2013-03-22 12:43:35 ariels (338) ariels (338) 5 ariels (338) Definition msc 54A99