What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? Name the inference rule being used: W(h) -> R_2(h). forall z_1: R_2(z_1) -> W(z_1). ~r_3. R_2(h) -> r_3.
~R_2(h) can be inferred via the modus tollens rule.