Rhet gre 1400b28-30πάντων δὲ καὶ τῶν ἐλεγκτικῶν καὶ τῶν (29) δεικτικῶν συλλογισμῶν θορυβεῖται μάλιστα τὰ τοιαῦτα ὅσα (30) ἀρχόμενα προορῶσι μὴ ἐπιπολῆς εἶναι
Rhys Roberts 1924 engThe Refutative Enthymeme has a greater reputation than the Demonstrative, because within a small space it works out two opposing arguments, and arguments put side by side are clearer to the audience.
http://www2.hf.uio.no/common/apps/permlink/permlink.php?app=polyglotta&context=record&uid=d0369640-1d51-11e7-ba66-0050569f23b2