(GOAL COMPLEXITY) (STARTTERM (FUNCTIONSYMBOLS f3)) (VAR A B C) (RULES f3(A,B) -> Com_1(f2(A,B)) f2(A,B) -> Com_1(f2(-1 + A,B)) :|: A >= 1 f2(A,B) -> Com_1(f300(-1 + A,C)) :|: 0 >= A )