1. arianism thought the trinity meant more than one god 2. modalism tried to explain the faith by philosophy 3. judaizer said that jesus was not coeternal with the father 4. gnostics taught that jesus was a different form of the father 5. adoptionism taught that the word only dwelled in jesus

1 In Christianity, Arianism is the belief Jesus Christ only the son of god. 2 Modalism is unfamiliar to many Christians. According to its philosophical meaning the mode of thing as distinguished from its substance or essence. 3 God is trinity. God exists in three persons. The father and son and holy spirit, reveals this truth in Mathew 28:19, john 10:33 4 Gnoticism is a knowledge based on a personal experience or perception. 5 Adoptionism, Jesus was adopted as the son of god at his baptism and his resurrection.