Cover of Set/Examples/Arbitrary Example 1

Example of Cover of Set
Let $S = \set {1, 2, 3, 4, 5, 6}$.

Let $H \subseteq S = \set {1, 3}$.

Let $\CC = \set {\set {1, 2}, \set {3, 4} }$.

Then $\CC$ is a cover of $H$.