Institutio Oratoria

Quintilian

Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.

Marcus Antonius stated that there were three bases in the following words:—

The things which form the ground of every speech are few and are as follows:—' Was a thing done or not done? 'Was it just or unjust?' 'Was it good or bad?'

But since, when we are said to have been justified in doing anything, this does not merely mean that our action was legal, but further implies that it was just, those who follow Antonius attempt to differentiate these bases with greater exactness. They therefore called them conjectural, legal and juridical, a division which meets with the approval of Verginius as well.

These they then subdivided into species, placing definition under the head of the legal basis, together with all others which are concerned with the letter of the law: such as that of contradictory laws, or ἀντινομία that which rests on the letter of the law and on meaning or intention (which the Greeks call κατὰ ῥητὸν καὶ διάνοιαν and μετάληψις to which latter we give various names, styling it the translative, transumptive or transpositive basis [*](Concerned with questions of competence.) ; the syllogism, which we call the ratiocinative or deductive basis; and those which turn on ambiguity or ἀμφιβολία. I mention these because they are called bases by most writers, though some prefer to call them legal questions.

Athenaeus laid down that there were four bases: the προτρεπτικὴ or παρορμητική, that is, the hortative, which is peculiar to deliberative themes; the συντελική [*](συντελική lit. = contributory. ) which is shown to be the conjectural, not so much from the name itself, but from what

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follows; the ὑπαλλακτική or definitive, for it consists in a change of terms. [*]( The defendant admits the act, but gives it a different name, e.g. theft, not sacrilege. ὑπαλλακτική = changing. ) ; and the juridical to which he gives the name employed by other Greek writers. [*](δικαιολογικός)

For, as I have said, there is a great variety in the names employed. There are some who, arguing from its meaning of change, hold that ὑπαλλακτική is the translative basis, which is concerned with competence. Others, Caecilius [*](Caec. fr. 49, Burkh.) and Theon for instance, hold that there are the same number of bases, but make them of a different kind, namely, those covered by the questions whether a thing is, what it is, of what kind it is and how great it is.