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 y_1: W_3(y_1) -> W(y_1). R(j) -> W_3(j). forall y_1: W(y_1) <-> R(y_1).
forall y_1: W(y_1) -> R(y_1) can be inferred via the universal biconditional elimination rule. forall y_1: R(y_1) -> W(y_1) can be inferred via the universal biconditional elimination rule.