Pseudonormal space
This article defines a property of topological spaces: a property that can be evaluated to true/false for any topological space|View a complete list of properties of topological spaces
This is a variation of normality. View other variations of normality
Definition
Symbol-free definition
A topological space is said to be pseudonormal' if given two disjoint closed subsets, at least one of which is countable, there are disjoint open sets containing them.