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: forall x: W(x) -> P_3(x). exists x: R(x) -> W(x). forall x: T(x) -> P_3(x). forall x: T(x) or R(x).
exists x: R(x) -> P_3(x) can be inferred via the existential transitivity rule.