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