What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? If Patricia were a politician, then it is overcast. John is not driving a car or it is raining. It is raining if and only if it is overcast. John is driving a car or Patricia is a politician.
Patricia is a politician or it is raining. If it rains, then it is overcast. If it is overcast, then it is raining.