MAYBE
254.28/64.30	MAYBE
254.28/64.31	
254.28/64.31	Problem:
254.28/64.31	 active(zeros()) -> mark(cons(0(),zeros()))
254.28/64.31	 active(and(tt(),X)) -> mark(X)
254.28/64.31	 active(length(nil())) -> mark(0())
254.28/64.31	 active(length(cons(N,L))) -> mark(s(length(L)))
254.28/64.31	 active(take(0(),IL)) -> mark(nil())
254.28/64.31	 active(take(s(M),cons(N,IL))) -> mark(cons(N,take(M,IL)))
254.28/64.31	 mark(zeros()) -> active(zeros())
254.28/64.31	 mark(cons(X1,X2)) -> active(cons(mark(X1),X2))
254.28/64.31	 mark(0()) -> active(0())
254.28/64.31	 mark(and(X1,X2)) -> active(and(mark(X1),X2))
254.28/64.31	 mark(tt()) -> active(tt())
254.28/64.31	 mark(length(X)) -> active(length(mark(X)))
254.28/64.31	 mark(nil()) -> active(nil())
254.28/64.31	 mark(s(X)) -> active(s(mark(X)))
254.28/64.31	 mark(take(X1,X2)) -> active(take(mark(X1),mark(X2)))
254.28/64.31	 cons(mark(X1),X2) -> cons(X1,X2)
254.28/64.31	 cons(X1,mark(X2)) -> cons(X1,X2)
254.28/64.31	 cons(active(X1),X2) -> cons(X1,X2)
254.28/64.31	 cons(X1,active(X2)) -> cons(X1,X2)
254.28/64.31	 and(mark(X1),X2) -> and(X1,X2)
254.28/64.31	 and(X1,mark(X2)) -> and(X1,X2)
254.28/64.31	 and(active(X1),X2) -> and(X1,X2)
254.28/64.31	 and(X1,active(X2)) -> and(X1,X2)
254.28/64.31	 length(mark(X)) -> length(X)
254.28/64.31	 length(active(X)) -> length(X)
254.28/64.31	 s(mark(X)) -> s(X)
254.28/64.31	 s(active(X)) -> s(X)
254.28/64.31	 take(mark(X1),X2) -> take(X1,X2)
254.28/64.31	 take(X1,mark(X2)) -> take(X1,X2)
254.28/64.31	 take(active(X1),X2) -> take(X1,X2)
254.28/64.31	 take(X1,active(X2)) -> take(X1,X2)
254.28/64.31	
254.28/64.31	Proof:
254.28/64.31	 Open
254.28/64.31	EOF