Consider the following premises. It is cold if and only if it is windy. It is cold if and only if it is windy. Can we infer the following from them? If it is cold, then it is windy.
 From the fact that it is cold if and only if it is windy we can infer that if it is windy, then it is cold. Finally, from the fact that it is cold if and only if it is windy we can infer that if it is cold, then it is windy. Therefore, the answer is yes.