Translate the following inference to logic notation: For all x, if x_3 listens to a song, then x_3 is reading a book. For all x, x_3 will listen to a song and x_3 is poor. Therefore for all x, x_3 will read a book.
forall x: P(x) -> Q(x). forall x: P(x) and R(x). Therefore forall x: Q(x).