What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? It is snowing if and only if it is cold. It is raining if and only if it is cold. It is not raining.
If it snows, then it is cold. If it rains, then it is cold. If it is cold, then it is snowing. If it is cold, then it is raining. It is not cold.