Exodus 6:2-3
From Theonomy Wiki
2 God spoke to Moses, and said to him, “I am YHWH. 3 I appeared to Abraham, to Isaac, and to Jacob, as God Almighty; but by my name YHWH I was not known to them. Exodus 6:2-3WEB
Classificationname/
The Principle
This passage contains a principled explanation, given to Moses, to the effect that Abraham, Isaac, and Jacob did not know the name "Jahovah" (lit YHWH).
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This statement is part of the Principles and Definitions, as it contributes to an understanding of the Name of God.
Fulfillment
God's name has not changed.