Consider the following premises. For all x_5, x_5 will read a book. For all x_5, x_5 is a scientist. For all x_5, if x_5 reads a book, then x_5 is a nurse. For all x_5, if x_5 were a nurse, then x_5 is an artist. Can we infer the following from them? There is at least one x_5 for which either x_5 is an artist or x_5 is a scientist are not true.
 From the fact that for all x_5, if x_5 reads a book, then x_5 is a nurse, and that for all x_5, if x_5 were a nurse, then x_5 is an artist we can infer that for all x_5, if x_5 reads a book, then x_5 is an artist. From the fact that for all x_5, if x_5 reads a book, then x_5 is an artist, and that for all x_5, x_5 will read a book we can infer that for all x_5, x_5 is an artist. Finally, from the fact that for all x_5, x_5 is an artist, and that for all x_5, x_5 is a scientist we can infer that for all x_5, x_5 is an artist and x_5 is a scientist, which contradicts that There is at least one x_5 for which either x_5 is an artist or x_5 is a scientist are not true. Therefore, the answer is no.