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_7 for which x_7 is a soldier. For all x_7, x_7 is a writer or x_7 is rich. For all x_7, x_7 is rich if and only if x_7 will read a book. For all x_7, if x_7 were a writer, then x_7 is reading a book.
For all x_7, if x_7 were rich, then x_7 is reading a book. For all x_7, if x_7 reads a book, then x_7 is rich.