Let D be a digraph with V (D) = {1, 3, 5, 7, 9, 11} and let A = {4, 6} and B = {6, 8}. A
Chapter 15, Problem 7(choose chapter or problem)
Let D be a digraph with V (D) = {1, 3, 5, 7, 9, 11} and let A = {4, 6} and B = {6, 8}. A vertex i is adjacent to a vertex j in D if j i A and j is adjacent to i if j i B. Is D strong?
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