Consider the following premises. For all x_4, x_4 is not a scientist. It is late if and only if it is cold. Linda is a scientist if and only if it is late. Can we infer the following from them? It is not cold.
 From the fact that for all x_4, x_4 is not a scientist we can infer that Linda is not a scientist. From the fact that Linda is a scientist if and only if it is late, and that Linda is not a scientist we can infer that it is not late. Finally, from the fact that it is late if and only if it is cold, and that it is not late we can infer that it is not cold. Therefore, the answer is yes.