compose/4

compose(+ LeftGraph, + RightGraph, - NewGraph)*

Compose the graphs LeftGraph and RightGraph to form NewGraph. In the next example:


 ?- compose([1-[2],2-[3]],[2-[4],3-[1,2,4]],L).

 L = [1-[4],2-[1,2,4],3-[]]