CompleteQ

As of Version 10, most of the functionality of the Combinatorica package is built into the Wolfram System. >>

CompleteQ[g]
yields True if graph g is complete. This means that between any pair of vertices there is an undirected edge or two directed edges going in opposite directions.

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Basic Examples  (2)Basic Examples  (2)

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CompleteQ has been superseded by CompleteGraphQ:

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