Translate the following inference to logic notation: If Patricia were rich, then David is a scientist. For all x, if z were a sailor, then z is a scientist. For all x, if z cooks, then z is a sailor. Patricia is rich or David is cooking. Therefore David is a scientist or it is snowing.
p -> P(a). forall x: Q(x) -> P(x). forall x: R(x) -> Q(x). p or R(a). Therefore P(a) or q.