Institutio Oratoria
Quintilian
Quintilian. Institutio Oratoria, Volume 1-4. Butler, Harold Edgeworth, translator. Cambridge, Mass; London: Harvard University Press, William Heinemann Ltd., 1920-1922.
These propositions can be multiplied at pleasure, but it is sufficient to give an indication of my meaning. If propositions are put forward singly with the proofs appended, they will form several distinct propositions: if they are combined, they fall under the head of partition.