Translate the following inference to logic notation: For all x, x_3 is not an office clerk or x_3 is a bartender. For all x, x_3 is not a musician or x_3 will write a letter. For all x, x_3 is an office clerk. Therefore for all x, x_3 is a bartender or x_3 will write a letter.
forall x: ~P(x) or Q(x). forall x: ~R(x) or S(x). forall x: P(x). Therefore forall x: Q(x) or S(x).