Consider the following premises. p_10 <-> R_17(e_2). R_17(e_2) -> p_10. forall x_17: R_17(x_17) -> S_17(x_17). Can we infer ~(p_10 -> S_17(e_2)) from them? If possible, name the inference rules being used at each step.
That contradicts the premises. Therefore the answer is no.