What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? ~S_11(c). u -> R_11(c). forall x_11: R_11(x_11) <-> S_11(x_11).
forall x_11: R_11(x_11) -> S_11(x_11). forall x_11: S_11(x_11) -> R_11(x_11).