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 rich. For all x_6, x_6 is a musician or x_6 will play tennis. For all x_6, if x_6 were a musician, then x_6 is not rich.
For all x_6, x_6 is not a musician.