What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? r -> Q_8(e). r or R(e). forall x_8: R(x_8) <-> Q_8(x_8).
R_1(e) -> r. forall x_8: R(x_8) -> Q_8(x_8). forall x_8: Q_8(x_8) -> R(x_8).