What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? ~q_22. P(b_1) <-> w_1. forall y: ~P(y). s <-> q_22.
P(b_1) -> w_1. s -> q_22. w_1 -> P(b_1). q_22 -> s. ~s.