Translate the following inference to logic notation: For all x, if x were poor, then x is taking a plane. For all x, x will cook or x is poor. For all x, if x cooks, then x is taking a plane. Richard is a scientist. Therefore Richard is a scientist or Elisabeth is an office clerk.
forall x: P(x) -> Q(x). forall x: R(x) or P(x). forall x: R(x) -> Q(x). p. Therefore p or q.