Translate the following inference to logic notation: For all x, y will not drink water. For all x, y will drink water or y is not an artist. For all x, if y were a janitor, then y is an artist. Therefore for all x, y is not a janitor.
forall x: ~P(x). forall x: P(x) or ~Q(x). forall x: R(x) -> Q(x). Therefore forall x: ~R(x).