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Summary
- Arianism originated with Arius, who taught that Jesus Christ was a created being and not co-eternal with God the Father, leading to significant theological disputes in early Christianity.
- The Council of Nicaea in 325 AD rejected Arianism, affirming the Nicene Creed, which declared Jesus to be “”begotten, not made”” and of the same substance as the Father (homoousios).
- Arianism caused deep divisions within the Church, prompting key figures like St. Athanasius and other Church Fathers to defend orthodox beliefs about the nature of Christ and the Trinity.
- Although Arianism declined over time due to the clarity of Nicene orthodoxy and shifting imperial support, some modern groups share similar nontrinitarian beliefs, reminiscent of Arian ideas.
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