Translate the following inference to logic notation: For all x, if x_9 were a lawyer, then x_9 is playing tennis. For all x, x_9 will drive a car if and only if x_9 will play tennis. For all x, x_9 is a lawyer or x_9 will drive a car. For all x, if x_9 plays tennis, then x_9 is a lawyer. Therefore for all x, x_9 will play tennis.
forall x: P(x) -> Q(x). forall x: R(x) <-> Q(x). forall x: P(x) or R(x). forall x: Q(x) -> P(x). Therefore forall x: Q(x).