What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_10, if x_10 plays squash, then x_10 is rich. There is at least one x_10 for which if x_10 were a lawyer, then x_10 is rich. For all x_10, x_10 is a lawyer. For all x_10, if x_10 works, then x_10 is not rich.
There is at least one x_10 for which x_10 is rich.