MAYBE
190.71/55.61	MAYBE
190.71/55.62	
190.71/55.62	Problem:
190.71/55.62	 g(c(),g(c(),x)) -> g(e(),g(d(),x))
190.71/55.62	 g(d(),g(d(),x)) -> g(c(),g(e(),x))
190.71/55.62	 g(e(),g(e(),x)) -> g(d(),g(c(),x))
190.71/55.62	 f(g(x,y)) -> g(y,g(f(f(x)),a()))
190.71/55.62	 g(x,g(y,g(x,y))) -> g(a(),g(x,g(y,b())))
190.71/55.62	
190.71/55.62	Proof:
190.71/55.62	 Open
190.71/55.62	EOF