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: q_3. p_1. p_12.
q_3 and p_1 can be inferred via the conjunction rule. q_3 and p_12 can be inferred via the conjunction rule. p_1 and q_3 can be inferred via the conjunction rule. p_1 and p_12 can be inferred via the conjunction rule. p_12 and q_3 can be inferred via the conjunction rule. p_12 and p_1 can be inferred via the conjunction rule.