What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? forall x: T_2(x) -> T(x). ~u_3 or t. u_3 or T_2(h). t <-> T(h).
T_2(h) or t. R_1(h) -> u_3. t -> T(h). T(h) -> t.