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. t -> ~q_3. q_3. p -> q.
q can be inferred via the modus ponens rule. ~t can be inferred via the modus tollens rule. p and q_3 can be inferred via the conjunction rule. q_3 and p can be inferred via the conjunction rule.