What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_3, if x_3 were an artist, then x_3 is a bartender. For all x_3, x_3 is not a bartender. For all x_3, if x_3 were an artist, then x_3 is a soldier. There is at least one x_3 for which if x_3 were a soldier, then x_3 is an artist.
For all x_3, x_3 is not an artist. There is at least one x_3 for which if x_3 were a soldier, then x_3 is a bartender. There is at least one x_3 for which x_3 is a soldier if and only if x_3 is an artist. There is at least one x_3 for which x_3 is an artist if and only if x_3 is a soldier.