MAYBE
0.08/0.18	MAYBE
0.08/0.18	
0.08/0.18	Problem:
0.08/0.18	 0(#()) -> #()
0.08/0.18	 +(x,#()) -> x
0.08/0.18	 +(#(),x) -> x
0.08/0.18	 +(0(x),0(y)) -> 0(+(x,y))
0.08/0.18	 +(0(x),1(y)) -> 1(+(x,y))
0.08/0.18	 +(1(x),0(y)) -> 1(+(x,y))
0.08/0.18	 +(1(x),1(y)) -> 0(+(+(x,y),1(#())))
0.08/0.18	 *(#(),x) -> #()
0.08/0.18	 *(0(x),y) -> 0(*(x,y))
0.08/0.18	 *(1(x),y) -> +(0(*(x,y)),y)
0.08/0.18	 sum(nil()) -> 0(#())
0.08/0.18	 sum(cons(x,l)) -> +(x,sum(l))
0.08/0.18	 prod(nil()) -> 1(#())
0.08/0.18	 prod(cons(x,l)) -> *(x,prod(l))
0.08/0.18	
0.08/0.18	Proof:
0.08/0.18	 Open
0.08/0.19	EOF