What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_8, x_8 is a taxi driver or x_8 will not play a game. There is at least one x_8 for which x_8 is a doctor if and only if x_8 will play a game.
For all x_8, if x_8 plays a game, then x_8 is a taxi driver. There is at least one x_8 for which if x_8 were a doctor, then x_8 is playing a game. There is at least one x_8 for which if x_8 plays a game, then x_8 is a doctor.