MAYBE
0.08/0.18	MAYBE
0.08/0.18	
0.08/0.18	Problem:
0.08/0.18	 a__f(X,g(X),Y) -> a__f(Y,Y,Y)
0.08/0.18	 a__g(b()) -> c()
0.08/0.18	 a__b() -> c()
0.08/0.18	 mark(f(X1,X2,X3)) -> a__f(X1,X2,X3)
0.08/0.18	 mark(g(X)) -> a__g(mark(X))
0.08/0.18	 mark(b()) -> a__b()
0.08/0.18	 mark(c()) -> c()
0.08/0.18	 a__f(X1,X2,X3) -> f(X1,X2,X3)
0.08/0.18	 a__g(X) -> g(X)
0.08/0.18	 a__b() -> b()
0.08/0.18	
0.08/0.18	Proof:
0.08/0.18	 Open
0.08/0.18	EOF