Definition:Incident (Graph Theory)/Digraph/Incident From

Definition
Let $G = \left({V, E}\right)$ be a digraph.

Let $u, v \in V$ be vertices of $G$.

Let $e = \left({u, v}\right)$ be an arc that is directed from $u$ to $v$:


 * IncidentDigraph.png

Then:
 * $e$ is incident from $u$


 * $v$ is incident from $e$.