What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? If it is overcast, then Karen is a poet. It is snowing if and only if it is overcast. If Karen were a poet, then it is overcast. If it is cloudy, then Karen is a poet.
If it is cloudy, then it is overcast. It is overcast if and only if Karen is a poet. Karen is a poet if and only if it is overcast. If it snows, then it is overcast. If it is overcast, then it is snowing.