Consider the following premises. For all x_10, x_10 is a police officer or x_10 is not happy. For all x_10, if x_10 reads a book, then x_10 is a police officer. There is at least one x_10 for which x_10 is an electrician. For all x_10, x_10 will sleep or x_10 will read a book. For all x_10, if x_10 sleeps, then x_10 is happy. Can we infer the following from them? For all x_10, either x_10 is an electrician or x_10 is a police officer are not true.
 From the fact that for all x_10, x_10 is a police officer or x_10 is not happy we can infer that for all x_10, if x_10 were happy, then x_10 is a police officer. From the fact that for all x_10, if x_10 sleeps, then x_10 is happy, and that for all x_10, if x_10 were happy, then x_10 is a police officer we can infer that for all x_10, if x_10 sleeps, then x_10 is a police officer. From the fact that for all x_10, if x_10 sleeps, then x_10 is a police officer, that for all x_10, if x_10 reads a book, then x_10 is a police officer, and that for all x_10, x_10 will sleep or x_10 will read a book we can infer that for all x_10, x_10 is a police officer. Finally, from the fact that there is at least one x_10 for which x_10 is an electrician, and that for all x_10, x_10 is a police officer we can infer that there is at least one x_10 for which x_10 is an electrician and x_10 is a police officer, which contradicts that For all x_10, either x_10 is an electrician or x_10 is a police officer are not true. Therefore, the answer is no.