Translate the following inference to logic notation: For all x, if x_11 works, then x_11 is excited. For all x, x_11 is an office clerk if and only if x_11 will work. For all x, x_11 is an office clerk. Therefore for all x, x_11 is excited or x_11 will read a book.
forall x: P(x) -> Q(x). forall x: R(x) <-> P(x). forall x: R(x). Therefore forall x: Q(x) or S(x).