Consider the following premises. For all x_8, if x_8 plays squash, then x_8 is not working. For all x_8, x_8 will work. For all x_8, if x_8 writes a letter, then x_8 is playing squash. There is at least one x_8 for which if x_8 were a server, then x_8 is writing a letter. For all x_8, if x_8 plays squash, then x_8 is a server. Can we infer the following from them? For all x_8, x_8 will write a letter.
 From the fact that for all x_8, if x_8 plays squash, then x_8 is a server, and that there is at least one x_8 for which if x_8 were a server, then x_8 is writing a letter we can infer that there is at least one x_8 for which if x_8 plays squash, then x_8 is writing a letter. From the fact that for all x_8, if x_8 plays squash, then x_8 is not working, and that for all x_8, x_8 will work we can infer that for all x_8, x_8 will not play squash. From the fact that for all x_8, if x_8 writes a letter, then x_8 is playing squash, and that there is at least one x_8 for which if x_8 plays squash, then x_8 is writing a letter we can infer that there is at least one x_8 for which x_8 will write a letter if and only if x_8 will play squash. Finally, from the fact that there is at least one x_8 for which x_8 will write a letter if and only if x_8 will play squash, and that for all x_8, x_8 will not play squash we can infer that there is at least one x_8 for which x_8 will not write a letter, which contradicts that For all x_8, x_8 will write a letter. Therefore, the answer is no.