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: ~t or p_4. p_3 <-> q_7. ~p_3. t or q_7.
q_7 or p_4 can be inferred via the resolution rule. p_3 -> q_7 can be inferred via the biconditional elimination rule. q_7 -> p_3 can be inferred via the biconditional elimination rule. ~q_7 can be inferred via the biconditional elimination rule.