Translate the following inference to logic notation: For all x, x_1 is a musician. There is at least one x for which x_1 is not a musician or x_1 is a poet. Therefore there is at least one x for which x_1 is happy or x_1 is a poet.
forall x: P(x). exists x: ~P(x) or Q(x). Therefore exists x: R(x) or Q(x).