Category:Definitions/Subcovers

This category contains definitions related to Subcovers.
Related results can be found in Category:Subcovers.

Let $S$ be a set.

Let $\UU$ be a cover for $S$.

A subcover of $\UU$ for $S$ is a set $\VV \subseteq \UU$ such that $\VV$ is also a cover for $S$.