Translate the following inference to logic notation: For all x, x_9 will write a letter or x_9 is a police officer. For all x, x_9 will cook and x_9 will drive a car. For all x, x_9 will not write a letter. Therefore Patricia is cooking.
forall x: P(x) or Q(x). forall x: R(x) and S(x). forall x: ~P(x). Therefore R(a).