Three men or two angels?

[Josheb]

God the Son appearing preincarnate to Abraham, as he did later on as ThE Angel of the Lord

Why three men? Why not just God? Or why not just the LORD and the Lord? Why is the angel of the LORD presented as multiple angels/messengers? Why does the text specified* switch from male humans to angels?






* Other scripture verses do this too but this op is concerned predominantly with the Genesis 18-19 text. Any interest in other verses is based solely on how they inform the Genesis 18-29 passage.
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[JesusFan]

Why three men? Why not just God? Or why not just the LORD and the Lord? Why is the angel of the LORD presented as multiple angels/messengers? Why does the text specified* switch from male humans to angels?






* Other scripture verses do this too but this op is concerned predominantly with the Genesis 18-19 text. Any interest in other verses is based solely on how they inform the Genesis 18-29 passage.
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They all appeared in appearance to be like a human male