There are some groups which practically all others would view as [[Apostasy|apostate]] and therefore not legitimate versions or branches of Christianity (John 15:1-6). Others may be seen as [[Heresy|heretical]], even by some churches of their own denomination. To be a heretic means only that one holds an erroneous doctrine of importance, not that one has renounced (apostatized from) the Christian faith. | There are some groups which practically all others would view as [[Apostasy|apostate]] and therefore not legitimate versions or branches of Christianity (John 15:1-6). Others may be seen as [[Heresy|heretical]], even by some churches of their own denomination. To be a heretic means only that one holds an erroneous doctrine of importance, not that one has renounced (apostatized from) the Christian faith. |