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. u. p.
q and u can be inferred via the conjunction rule. q and p can be inferred via the conjunction rule. u and q can be inferred via the conjunction rule. u and p can be inferred via the conjunction rule. p and q can be inferred via the conjunction rule. p and u can be inferred via the conjunction rule.