What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? ~q_13. r_3. w_1 <-> q_13. w_1 <-> w.
~q_13 and r_3. r_3 and ~q_13. w_1 -> q_13. w_1 -> w. q_13 -> w_1. w -> w_1. ~w_1.