Nathan, This doesn't answer your question, but you might want to read the Martyn Lloyd Jones article posted recently by Pilgrim. Here's an excerpt from it.
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A heresy is a denial of or a doubt concerning any defined, established Christian doctrineThere is a difference between heresy and apostasy. Apostasy means a departure from the Christian truth. It may be a total renunciation or denial of it, or it may be a misrepresentation of it to such an extent that it becomes a denial of the whole truth. But a heresy is more limited in its scope. To be guilty of heresy, and to be a heretic, means that in the main you hold to the doctrines of the Christian faith, but that you tend to go wrong on some particular doctrine or aspect of the faith. The New Testament itself shows us clearly that this tendency to heresy had already begun even in the days of the early Church. Have you not noticed in the New Testament Epistles the frequent references to these things? There is scarcely one of them that does not include mention of some particular heresy that was creeping in, and tending to threaten the life of some particular church. It is seen in this Epistle to the Ephesians; it is still more plain, perhaps, in the Epistle to the Colossians where heretical tendencies were entering through philosophy and other agencies. It is found likewise in the Epistles to Timothy.
Incipient heresy can be detected from the very earliest days. There is an enemy who comes and sows tares. I am not applying that parable in detail, I am using it as an illustration to show the kind of thing we are considering. The enemy's object, of course, is to disturb the life of the Church, to shake the confidence of Christian people, to spoil God's work in Christ. The Epistles were in a sense written to counteract these evils. The threat was already there in many different forms, for before the New Testament closes, all the major heresies were beginning to show their heads in the Early Church.
