Heretics & Heresies

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Valentinus

Valentinus, founder of one of the Gnostic sects which originated in the first half of 2nd cent. I. Biography.—According to …
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Marcion

Marcion, a noted and permanently influential heretic of the 2nd cent. Life.—Justin Martyr mentions Simon and Menander as having been …
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Carpocrates

Carpocrates, a Platonic philosopher who taught at Alexandria early in the 2nd cent., and who, incorporating Christian elements into his …
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Cerdon

Cerdon, a Gnostic teacher of the first half of the 2nd cent., principally known as the predecessor of MARCION. Epiphanius …
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Ebionism and Ebionites

The name Ebionite first occurs in Irenaeus (c. 180-190). It was repeated, probably from him, by Hippolytus (c. 225-235) and …
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Menander

Menander, a Samaritan false teacher in the early part of the 2nd cent. Our knowledge of him is probably all …
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Basilides

Basilides, the founder of one of the semi-Christian sects, commonly called Gnostic, which sprang up in the early part of …
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Cerinthus

Cerinthus, a traditional opponent of St. John. It will probably always remain an open question whether his fundamentally Ebionite sympathies …
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Leucius

Leucius, the reputed author of large apocryphal additions to the N.T. history, which originated in heretical circles, and which, though …
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Saturninus

Saturninus. In the section of his work commencing I. 22 Irenaeus gives a list of heretics, apparently derived from Justin …