Given a graph G = (V, E), and a natural number k, we can define a relation on pairs of vertices of G as follows. If x, y ε V, we say that if there exist k mutually edge-disjoint paths from x to y in G.
Is it true that for every G and every k ≥ 0, the relation is transitive? That is, is it always the case that if and , then we have Give a proof or a counterexample.
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