What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? If it is cloudy, then Linda is driving a car. For all x_7, x_7 will drive a car if and only if x_7 is an astronaut. It is cloudy or Linda is an astronaut.
If Linda plays squash, then it is cloudy. For all x_7, if x_7 drives a car, then x_7 is an astronaut. For all x_7, if x_7 were an astronaut, then x_7 is driving a car.