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, x_3 is a lawyer if and only if x_3 is fast. There is at least one x_3 for which x_3 is an electrician. For all x_3, if x_3 were an electrician, then x_3 is a lawyer.
There is at least one x_3 for which x_3 is a lawyer. For all x_3, if x_3 were a lawyer, then x_3 is fast. For all x_3, if x_3 were fast, then x_3 is a lawyer.