What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_6, x_6 is a mechanic or x_6 is a police officer. For all x_6, if x_6 were a mechanic, then x_6 is playing a game. For all x_6, x_6 will not play a game.
For all x_6, x_6 is not a mechanic.