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