Work dossier · summary and historical context
The treatise 'De azymis' argues against the use of unleavened bread (azyma) in the Eucharist, defending leavened bread as the sole valid matter. It is a polemical work directed at Latin practice, traditionally attributed to John of Damascus (c. 675–749), though its authenticity is questioned. The work may date from the later iconoclast or post-iconoclast period, possibly 8th–9th century. It was cited in later Byzantine anti-Latin polemics, especially during the 11th–13th centuries, and appears in collections of patristic testimonies against the filioque and azyma. The text uses scriptural and patristic citations, including Matthew 26:26 and Cyril of Jerusalem, but does not always identify them precisely.
The treatise is a significant witness to the Byzantine polemic against Latin liturgical practices, particularly the use of unleavened bread in the Eucharist. It reflects the theological and cultural tensions that contributed to the East-West Schism. The work's attribution to John of Damascus, even if disputed, lent authority to later anti-Latin arguments. Its use of scriptural and patristic citations illustrates the exegetical and historical arguments employed in medieval Christian controversies.
The treatise is rooted in the Byzantine theological and liturgical tradition, likely composed in a Greek-speaking monastic or ecclesiastical setting, possibly in Palestine or Constantinople. Its attribution to John of Damascus is traditional but uncertain; the work may have been produced in the 8th–9th centuries, during or after the iconoclast controversy, when debates over liturgical practices intensified. The text was transmitted through Byzantine manuscript collections and later printed editions, but its stemmatic basis is unknown. The Khazarzar edition provides no critical apparatus or manuscript witnesses. The work engages in the East-West controversy over the use of azymes, which became a key issue in the schism between the Greek and Latin churches, especially from the 11th century onward.
Apparatus · what the pipeline recorded
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