
thumb|In this Gustave Dore engraving, Dante and Virgil speak to a Heresiarch trapped within a burning tomb. Dante placed arch-heretics in the Sixth Circle of Hell.
thumb|In this Gustave Dore engraving, Dante and Virgil speak to a Heresiarch trapped within a burning tomb. Dante placed arch-heretics in the Sixth Circle of Hell.
In Christian theology, a heresiarch (also hæresiarch, according to the Oxford English Dictionary; from Greek: , hairesiárkhēs via the late Latin haeresiarcha) or arch-heretic is an originator of heretical doctrine or the founder of a sect that sustains such a doctrine.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).