Consider the following premises. forall x_10: T_1(x_10) -> P_10(x_10). forall x_10: T_1(x_10) or ~P_10(x_10). forall x_10: P_10(x_10) -> T_1(x_10). Can we infer forall x_10: T_1(x_10) -> P_10(x_10) from them?
That is one of the premises. Therefore, the answer is yes.