Consider the following premises. It is snowing or Richard is a lawyer. It is snowing if and only if Karen is reading a book. If Richard were a lawyer, then Karen is reading a book. Can we infer the following from them? Karen is reading a book or James is rich.
 From the fact that it is snowing if and only if Karen is reading a book we can infer that if it snows, then Karen is reading a book. From the fact that if it snows, then Karen is reading a book, that if Richard were a lawyer, then Karen is reading a book, and that it is snowing or Richard is a lawyer we can infer that Karen is reading a book. Finally, from the fact that Karen is reading a book we can infer that Karen is reading a book or James is rich. Therefore, the answer is yes.