What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_11, x_11 will climb a mountain or x_11 will not drive a car. For all x_11, x_11 will drive a car if and only if x_11 will climb a mountain.
For all x_11, if x_11 drives a car, then x_11 is climbing a mountain. For all x_11, if x_11 drives a car, then x_11 is climbing a mountain. For all x_11, if x_11 climbs a mountain, then x_11 is driving a car.