Third and fourth century heresy founded by the Alexandrian priest Arius. It denied Jesus' divinity, claiming that he is neither God nor equal to the father.
Docetism
Gnostic Heresy maintained that Jesus did not die on the cross but was spared by someone else who took his place
Donatism
Heresy that rejected the sacrements celebrated by clergy who had formerly betrayed their faith
Gnosticism
"knowledge", heresy that said only knowledge can achieve salvation
Heresy
The refusal to accept one or more truths of the Faith which are required for Catholic belief
Manichaeism
A heresy that said through rituals and sharing knowledge believers could regain the light stolen from Satan
Pelagianism
A heresy denying original sin and the need for grace in man's salvation
