It is clear then that the existence of a testament of Adam was fully integrated in the story of the Magi. This was basically a prophecy intended for a people in the east. They enlarged upon it. The Christian had lost all knowledge of it.
They could have said that the God of the Old Testament was Jehovah, while the Father of Jesus was Elohim but in doing this they transform it, they end up with two God's rather than one.
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