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_10(x_14) -> P_14(x_14). forall x_14: P_14(x_14) -> P_10(x_14). forall x_14: ~Q_14(x_14). forall x_14: P_14(x_14) <-> Q_14(x_14). u -> P_10(a_5).
forall x_14: P_10(x_14) <-> P_14(x_14) can be inferred via the universal biconditional introduction rule. forall x_14: P_14(x_14) <-> P_10(x_14) can be inferred via the universal biconditional introduction rule. forall x_14: P_14(x_14) -> Q_14(x_14) can be inferred via the universal biconditional elimination rule. forall x_14: Q_14(x_14) -> P_14(x_14) can be inferred via the universal biconditional elimination rule. forall x_14: ~P_14(x_14) can be inferred via the universal biconditional elimination rule.