Consider the following premises. forall x_14: ~Q_14(x_14). u. forall x_14: P_14(x_14) or U_4(x_14). forall x_14: P_14(x_14) -> Q_14(x_14). Can we infer ~U_4(e) from them?
 From forall x_14: P_14(x_14) -> Q_14(x_14), forall x_14: ~Q_14(x_14) we can infer forall x_14: ~P_14(x_14). Finally, from forall x_14: P_14(x_14) or U_4(x_14), forall x_14: ~P_14(x_14) we can infer forall x_14: U_4(x_14), which contradicts ~U_4(e). Therefore, the answer is no.