Question: Let G be a connected simple graph with vertices V and edges E. Define a function d: V x V R by letting d(A, B)

Let G be a connected simple graph with vertices V and

Let G be a connected simple graph with vertices V and edges E. Define a function d: V x V R by letting d(A, B) be the minimum number of cdgcs nccded for a walk connecting A and B. Definc d(A, A) = 0 for all A E V. Prove that d(A,C)

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