General notions

By abstraction and general¬ization we derive general notions from particular ideas. Thus we are able to think of house, animal, mountain, without thinking of any particular object. Such a notion is expressed by a common term, which applies equally well to any individual of the class. One gen¬eral notion may be affirmed of another, as when we predicate whiteness of an animal, and say, The animal is white. This act is 's. judgment, and is expressed by proposition