What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? It is not windy. Susan is not making tea or it is late. Susan is making tea or it is cloudy. If it is cloudy, then it is windy. If it is windy, then it is cloudy.
It is not cloudy. It is cloudy or it is late. It is cloudy if and only if it is windy. It is windy if and only if it is cloudy.