Graphs
Graphs. Chapter 14. Simple Graph. a pair (V,E) V finite set of vertices points V = {a,b,c,d,e} E irreflexive, symmetric relation on V edges between vertices {{a,b},{b,c},{c,d},{d,e},{a,e}}. Directed graph. a pair (V,E) V finite set of vertices (points) E is an relation on V
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