Consider the following premises. If Thomas goes running, then Linda is a nurse. For all x_8, if x_8 plays squash, then x_8 is a nurse. Linda is playing squash or Thomas is running. For all x_8, if x_8 were a nurse, then x_8 is playing squash. Can we infer the following from them? Linda is a nurse.
 From the fact that for all x_8, if x_8 were a nurse, then x_8 is playing squash, and that for all x_8, if x_8 plays squash, then x_8 is a nurse we can infer that for all x_8, x_8 is a nurse if and only if x_8 will play squash. From the fact that for all x_8, x_8 is a nurse if and only if x_8 will play squash we can infer that Linda is a nurse if and only if Linda is playing squash. From the fact that Linda is a nurse if and only if Linda is playing squash we can infer that if Linda plays squash, then Linda is a nurse. Finally, from the fact that if Linda plays squash, then Linda is a nurse, that if Thomas goes running, then Linda is a nurse, and that Linda is playing squash or Thomas is running we can infer that Linda is a nurse. Therefore, the answer is yes.