Consider the following premises. forall x_17: P_17(x_17) <-> Q_17(x_17). forall x_17: P_17(x_17) or Q_11(x_17). forall x_17: ~Q_17(x_17). q. Can we infer Q_11(j) -> q from them?
We cannot infer that from the premises. Therefore the answer is no.