What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? ~U(g) or t_2. P_2(g) -> r_7. t_2 -> u. forall y: T(y) or U(y). forall y: ~T(y) or P_2(y). u -> r_7.
t_2 -> r_7. forall y: U(y) or P_2(y).