What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? forall x_6: Q_6(x_6) -> R_6(x_6). forall x_6: T(x_6) -> Q_6(x_6). t or T(a_5). t -> R_6(a_5).
R_1(a_5) -> t. forall x_6: T(x_6) -> R_6(x_6).