Kitap 3
5.56
But others have thought that there are only three rational bases, covered by the questions whether a thing is, what it is, and of what kind it is? Hermagoras is alone in thinking that there are four, namely conjecture, particularity, competence, and quality: to the latter he appends the phrase κατὰ συμβεβηκός according to its accidents, illustrating his meaning by putting a case where it is enquired whether a man happen to be good or bad. He then subdivides quality into four species: first that which is concerned with things to he sought or avoided, which belongs to deliberative oratory:
5.57
secondly those concerned with persons, by which he indicates panegyric: thirdly the practical or pragmatic, which is concerned with things in general without reference to persons, and may be illustrated by questions such as whether he is free who is claimed as a slave and waiting the trial of his case, assertio = a trial in which the question of a person's liberty is involved. When waiting trial, this person is described as in assertiolle. whether riches beget insolence, and whether a thing is just or good; lastly there is the juridical species, under which practically the same questions arise, but in relation to certain definite persons, as for instance when it is asked whether that particular man has done well or ill.
