724.89/299.40	MAYBE
724.89/299.40	
724.89/299.40	Problem:
724.89/299.40	 strict:
724.89/299.40	  top(ok(left(car(x,y),z))) -> top(check(right(y,z)))
724.89/299.40	  top(ok(right(x,car(y,z)))) -> top(check(left(x,z)))
724.89/299.40	  top(ok(left(bot(),x))) -> top(check(right(bot(),x)))
724.89/299.40	  top(ok(right(x,bot()))) -> top(check(left(x,bot())))
724.89/299.40	 weak:
724.89/299.40	  top(ok(left(car(x,y),z))) -> top(check(left(y,z)))
724.89/299.40	  top(ok(right(x,car(y,z)))) -> top(check(right(x,z)))
724.89/299.40	  bot() -> car(new(),bot())
724.89/299.40	  check(old()) -> ok(old())
724.89/299.40	  check(car(x,y)) -> car(check(x),y)
724.89/299.40	  check(car(x,y)) -> car(x,check(y))
724.89/299.40	  check(left(x,y)) -> left(check(x),y)
724.89/299.40	  check(left(x,y)) -> left(x,check(y))
724.89/299.40	  check(right(x,y)) -> right(check(x),y)
724.89/299.40	  check(right(x,y)) -> right(x,check(y))
724.89/299.40	  car(ok(x),y) -> ok(car(x,y))
724.89/299.40	  car(x,ok(y)) -> ok(car(x,y))
724.89/299.40	  left(ok(x),y) -> ok(left(x,y))
724.89/299.40	  left(x,ok(y)) -> ok(left(x,y))
724.89/299.40	  right(ok(x),y) -> ok(right(x,y))
724.89/299.40	  right(x,ok(y)) -> ok(right(x,y))
724.89/299.40	
724.89/299.40	Proof:
724.89/299.40	 Open
724.89/299.41	EOF