Translate the following inference to logic notation: Thomas is not making tea. For all x, x_22 is a writer if and only if x_22 will make tea. For all x, x_11 will play squash if and only if x_11 is a lawyer. Jennifer is not a lawyer. Therefore Jennifer is not playing squash and Thomas is not a writer.
~P(a). forall x: Q(x) <-> P(x). forall x: R(x) <-> S(x). ~S(b). Therefore ~R(b) and ~Q(a).