VertexQ

Available

True if a vertex is in a graph (False for any non-graph first argument)

Forms

VertexQ[g, v]

Verified examples{MemberQ[VertexList[g], 2], VertexQ[g, 2]} → {False, False}

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Topics

Graph Predicates - Basic Properties
Graph Properties And Measurements - Basic Properties
New In80 Alphabetical Listing - V

Related

VertexList VertexCount VertexIndex Graph EdgeQ GraphQ CompleteGraphQ DirectedGraphQ EmptyGraphQ MixedGraphQ MultigraphQ UndirectedGraphQ

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