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: ~Q(g_1). forall y: Q(y) <-> P_1(y).
forall y: Q(y) -> P_1(y) can be inferred via the universal biconditional elimination rule. forall y: P_1(y) -> Q(y) can be inferred via the universal biconditional elimination rule.