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Prolog - Backwards Chaining & Backtracking
I have been given a task which I'm having alot of trouble with. Any help would be appreciated. Given the definite clauses below: edge(A,B). edge(A,C). edge(B,D). reachable(A). reachable(x) <- edge(y,x), reachable(y). Use backward chaining with backtracking to explain how one can obtain all...
