Chapter 15

Every predicate is either more extensive than its subject or co-extensive with it, but it is never less extensive. It is more extensive when more general things are predicated of more particular ones. The more general, then, are the superior, whereas the more particular are the inferior. And the most general thing of all is the being, for which reason it is predicable of all things. For, substance is called a being, and so is accident called a being. But we cannot say that the being is substance, because not only is substance being, but so is accident. Genera, likewise, are predicable of thei