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