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