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: p_10 -> r. p_2. ~r. p_10 or q_4.
~p_10 can be inferred via the modus tollens rule. p_2 and ~r can be inferred via the conjunction rule. ~r and p_2 can be inferred via the conjunction rule.