Definition:Directed Walk

Definition

Let $G = \struct {V, A}$ be a digraph.

A directed walk in $G$ is a finite or infinite sequence $\sequence {x_k}$ such that:

$\forall k \in \N: k + 1 \in \Dom {\sequence {x_k} }: \tuple {x_k, x_{k + 1} } \in A$

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