Reference edition:

Rhetores Latini Minores, ex codicibus maximam partem primum adhibitis emendabat Carolus Halm, Lipsiae 1863, 564-567 (Bibliotheca Scriptorum Graecorum et Romanorum Teubneriana).

Emporius’ short treatise, which presents the commonplace as a tool for expanding on a basic fact, begins on p. 564, 2-4 of Halm’s edition.  As Pirovano observes, Emporius places himself within the tradition of authors like Theon and pseudo-Hermogenes, “who viewed the commonplace as an expansion on a basic fact, whether positive or negative, in contrast with Aphthonius and Nicolaus, who rather defined it as exaggeration of a specifically negative fact” (Pirovano 2008: 210-11).  Emporius categorizes each locus communis as simplex, duplex, or compositus.  This treatment looks back to John of Sardis and John Doxopatres, and provides a divisio by consilium, factus, and comparatio ab eventu.  In the last of these, however, Pirovano observes a certain affinity with the views of Nicolaus, the rhetorician of Constantinople active in the 5^th c. (Pirovano 2008).  [A. Balbo; tr. C. L. Caterine].