Demetrius, Metropolitan of Cyzicus, “Expositio Breuiter Doctrinae Iacobitarum” – Full Greek text edited

Independent scholar Alex Hourani tells me that he has created a Greek text from manuscripts of a largely unpublished medieval text. The anti-heretical work, which is referred to under various titles, was composed between 1026-28 by the deeply obscure Demetrius, Metropolitan of Cyzicus. What little is known about him can apparently be found in H.­G. Beck, Kirche und theologische Literatur im Byzantinischen Reich (Munich, 1959), p.532, although I have not looked.1 A page at Dumbarton Oaks tells us that Demetrius was appointed syncellus in 1029, and later made oikonomos of the Great Church, sometime before April 1032. His Greek text is here: https://archive.org/details/expositio-breuis-doctrinae-iacobitarum-demetrii-metropolitae-cyzici-alexander-hourani-2026 The text is there entitled “Expositio Breuiter Doctrinae Iacobitarum” (ἔκθεσις κατ᾿ ἐπιτομὴν τοῦ τῶν Ἰακωβιτῶν δόγματος καὶ τῶν ἀλλων ὧν ποιοῦσι παρὰ τὴν ἐκκλησιαστικὴν καὶ ὀρθόδοξον πίστιν τε καὶ παράδοσιν, “An exposition in summary…