Translate the following inference to logic notation: For all x, if x_7 were a soldier, then x_7 is sleeping. For all x, x_7 is a soldier if and only if x_7 will sleep. Therefore if Susan were a soldier, then Susan is sleeping.
forall x: P(x) -> Q(x). forall x: P(x) <-> Q(x). Therefore P(a) -> Q(a).