It seems to me that if you want to commit heresy, the surest and easiest way is to try to explain the Trinity. The catechism in CCC2089 defines heresy as “the obstinate post-baptismal denial of some truth which must be believed with divine and catholic faith, or it is likewise an obstinate doubt concerning the … Continue reading Other Ancient Heresies
Arianism
The Arian Heresy, or Arianiam
The more formal development and decree of the dogma of the Trinity we see in use in most Christian groups today is directly the result of the Arian heresy. This heresy erupted within Christendom in the early fourth century. Arius was an eastern priest who began to teach that Christ as the son of God … Continue reading The Arian Heresy, or Arianiam