Translate the following inference to logic notation: For all x, if y works, then y is climbing a mountain. If it is cloudy, then Elisabeth is climbing a mountain. Elisabeth is working or it is cloudy. For all x, if y climbs a mountain, then y is working. Jessica is a taxi driver. Therefore Jessica is a taxi driver and Elisabeth is climbing a mountain.
forall x: P(x) -> Q(x). p -> Q(a). P(a) or p. forall x: Q(x) -> P(x). q. Therefore q and Q(a).