What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? If John cooks, then Jessica is driving a car. If Jessica drives a car, then John is cooking. John is cooking if and only if Michael is listening to a song.
John is cooking if and only if Jessica is driving a car. Jessica is driving a car if and only if John is cooking. If John cooks, then Michael is listening to a song. If Michael listens to a song, then John is cooking.