What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_10, if x_10 were a writer, then x_10 is an electrician. There is at least one x_10 for which x_10 is not a nurse. For all x_10, if x_10 reads a book, then x_10 is a writer. For all x_10, x_10 is a nurse or x_10 will read a book.
For all x_10, if x_10 reads a book, then x_10 is an electrician. There is at least one x_10 for which x_10 will read a book.