Graph
From specialfunctionswiki
A graph $G$ is a set $G=\{V,E\}$ where $V$ is a set called the vertices of $G$ and $E \subset V \times V$ is a set called the edges of $G$.
A graph $G$ is a set $G=\{V,E\}$ where $V$ is a set called the vertices of $G$ and $E \subset V \times V$ is a set called the edges of $G$.
