Translate the following inference to logic notation: There is at least one x for which x_14 will read a book if and only if x_14 is a scientist. For all x, x_14 is a scientist. Therefore there is at least one x for which x_14 will read a book or x_14 will go running.
exists x: P(x) <-> Q(x). forall x: Q(x). Therefore exists x: P(x) or R(x).