Rhet gre 1397a4-6δηλωθέντων δὲ (5) τούτων περὶ τῶν λύσεων καὶ ἐνστάσεων διορίσωμεν, πόθεν δεῖ (6) πρὸς τὰ ἐνθυμήματα φέρειν.
Rhys Roberts 1924 engand also of those lines of argument used in what seems to be enthymemes, but are not, since they do not represent valid syllogisms.
http://www2.hf.uio.no/common/apps/permlink/permlink.php?app=polyglotta&context=record&uid=cf95b5ad-1d51-11e7-ba66-0050569f23b2