What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? Name the inference rule being used: forall x_14: P_1(x_14). forall x_14: P_1(x_14) -> U(x_14). forall x_14: U_3(x_14) or ~R_14(x_14). forall x_14: P_14(x_14) or Q_14(x_14). forall x_14: ~P_14(x_14) or R_14(x_14). forall x_14: Q_14(x_14) -> U_3(x_14).
forall x_14: U(x_14) can be inferred via the universal modus ponens rule. forall x_14: Q_14(x_14) or R_14(x_14) can be inferred via the universal resolution rule. forall x_14: R_14(x_14) -> U_3(x_14) can be inferred via the universal rewriting rule.