NO * Step 1: FromIts NO + Considered Problem: Rules: 0. f2(A,B,C) -> f2(A + B,B,C) [A + B >= 0] (?,1) 1. f3(A,B,C) -> f2(A,B,C) True (1,1) 2. f2(A,B,C) -> f300(A + B,B,D) [0 >= 1 + A + B] (?,1) Signature: {(f2,3);(f3,3);(f300,3)} Flow Graph: [0->{0,2},1->{0,2},2->{}] + Applied Processor: FromIts + Details: () * Step 2: CloseWith NO + Considered Problem: Rules: f2(A,B,C) -> f2(A + B,B,C) [A + B >= 0] f3(A,B,C) -> f2(A,B,C) True f2(A,B,C) -> f300(A + B,B,D) [0 >= 1 + A + B] Signature: {(f2,3);(f3,3);(f300,3)} Rule Graph: [0->{0,2},1->{0,2},2->{}] + Applied Processor: CloseWith False + Details: () NO