What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_17, if x_17 were a musician, then x_17 is an artist. For all x_17, x_17 is a musician if and only if x_17 is an artist. There is at least one x_17 for which x_17 will drive a car. For all x_17, if x_17 were rich, then x_17 is not driving a car. For all x_17, x_17 is rich if and only if x_17 is an artist.
There is at least one x_17 for which x_17 is not rich. For all x_17, if x_17 were a musician, then x_17 is an artist. For all x_17, if x_17 were rich, then x_17 is an artist. For all x_17, if x_17 were an artist, then x_17 is a musician. For all x_17, if x_17 were an artist, then x_17 is rich.