What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? forall x_1: Q_1(x_1) -> R_1(x_1). forall x_1: ~R_1(x_1). exists x_1: T_1(x_1) -> Q_1(x_1).
forall x_1: ~Q_1(x_1). exists x_1: T_1(x_1) -> R_1(x_1).