Translate the following inference to logic notation: For all x, y will not write a letter or y will play tennis. For all x, y will not listen to a song. For all x, y will write a letter or y will listen to a song. Therefore for all x, y will play tennis.
forall x: ~P(x) or Q(x). forall x: ~R(x). forall x: P(x) or R(x). Therefore forall x: Q(x).