What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? forall y_2: P_2(y_2) or S(y_2). forall y_2: ~S(y_2). forall y_2: ~P_2(y_2). p_1 -> ~W_4(e).
Since the premises are contradictory, we can infer anything from them.