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