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In page Theodoret:

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Upon the request of a high official named Sporacius, Theodoret compiled a Compendium of Heretical Accounts (Haereticarum fabularum compendium), including a heresiology (books i-iv) and a "compendium of divine dogmas" (book v), which, apart from Origen's De principiis and the theological work of John of Damascus, is the only systematic representation of the theology of the Greek Fathers.[citation needed]