What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x, x will cook if and only if x is a doctor. There is at least one x for which x is an artist. For all x, if x were an artist, then x is cooking.
There is at least one x for which x will cook. For all x, if x cooks, then x is a doctor. For all x, if x were a doctor, then x is cooking.