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: r_3 and w. q and q_3. w_4 -> ~r_3.
r_3 can be inferred via the simplification rule. w can be inferred via the simplification rule. q can be inferred via the simplification rule. q_3 can be inferred via the simplification rule.