What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? forall z: ~R_4(z). t_3 -> w_1. p_3 <-> w_1. p_3 -> R_4(f_3). w_1 -> t_3.
t_3 <-> w_1. w_1 <-> t_3. p_3 -> w_1. w_1 -> p_3.