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: If Jessica were a lawyer, then it is overcast. For all x_9, x_9 will play a game. If it is overcast, then it is windy. It is not windy.
It is not overcast can be inferred via the modus tollens rule. If Jessica were a lawyer, then it is windy can be inferred via the transitivity rule.