YES(?,O(1)) * Step 1: UnsatRules WORST_CASE(?,O(1)) + Considered Problem: Rules: 0. f0(A,B) -> f13(C,D) True (1,1) Signature: {(f0,2);(f13,2)} Flow Graph: [0->{}] + Applied Processor: UnsatRules + Details: The problem is already solved. YES(?,O(1))