MAYBE
0.08/0.19	MAYBE
0.08/0.19	
0.08/0.19	Problem:
0.08/0.19	 g(A()) -> A()
0.08/0.19	 g(B()) -> A()
0.08/0.19	 g(B()) -> B()
0.08/0.19	 g(C()) -> A()
0.08/0.19	 g(C()) -> B()
0.08/0.19	 g(C()) -> C()
0.08/0.19	 foldB(t,0()) -> t
0.08/0.19	 foldB(t,s(n)) -> f(foldB(t,n),B())
0.08/0.19	 foldC(t,0()) -> t
0.08/0.19	 foldC(t,s(n)) -> f(foldC(t,n),C())
0.08/0.19	 f(t,x) -> f'(t,g(x))
0.08/0.19	 f'(triple(a,b,c),C()) -> triple(a,b,s(c))
0.08/0.19	 f'(triple(a,b,c),B()) -> f(triple(a,b,c),A())
0.08/0.19	 f'(triple(a,b,c),A()) -> f''(foldB(triple(s(a),0(),c),b))
0.08/0.19	 f''(triple(a,b,c)) -> foldC(triple(a,b,0()),c)
0.08/0.19	 fold(t,x,0()) -> t
0.08/0.19	 fold(t,x,s(n)) -> f(fold(t,x,n),x)
0.08/0.19	
0.08/0.19	Proof:
0.08/0.19	 Open
0.08/0.19	EOF