it belongs to man to have two feet); or if he does not make a definite proviso that he is rendering what actually belongs (because it will not be such as to belong to it, eg the man's possession of four fingers); or if he has not shown that he states it as the primary subject, or in virtue of something else (because then its name will not also be true of that of which the account is true, as is the case with being coloured, whether rendered as a property of surface or of body); or if he has not said beforehand that he has rendered a property to a thing either because that thing possesses a state, or because it is a state possessed by something