We know that they died physically because God does not lie.
If they had died physically, the text would have said so.
We can safely assume that the worst had happened
I'm not assuming anything.
Genesis 2:20 says "But for
Adam no suitable helper was found". In the NIV there is a note to say "or, for the man....". Adam was the first man who was created; that is what his name means: man.
Now read Genesis 3:17 - "to Adam, God said ....".
Genesis 3:20 "ADAM named his wife Eve".
Genesis 3:21; "The Lord made garments for Adam and his wife
Genesis 4:1 "Adam lay with his wife, Eve".
It sounds as though you are saying that a man and his wife were created: they both died immediately they ate the fruit. A new man, called Adam was created/the original one was resurrected and a new woman called Eve was created/the original woman was resurrected. And this couple - Adam and Eve mark 2 - were the ones who were evicted from the garden, had Cain and Abel etc.
But that doesn't make sense.
a) the man is called Adam in chapter 2 - before the fall.
b) the text doesn't say anything about a man and a woman dying and then being resurrected.
c) the Lord punished Adam and his wife and then drove them from the garden. Why would God have cursed them if they had died as soon as they ate the fruit? Why would he have resurrected them if they had died in their sin? If they had been resurrected as sinners, what was the point of their having died?
It was Ishshah that died. She was then resurrected here as Eve...
So the woman physically died, was resurrected as Eve, (not mentioned in the text), banished from the garden then slept with Adam, her husband, and gave birth to Cain.
If the woman's physical death was punishment for sinning, why did God resurrect her, make her a garment to clothe her because she had been ashamed of her nakedness - and then drive her form the garden?
If both man and woman had been raised from the dead by God, they could have stayed in the garden and eaten from the tree of life. They would have had their punishment - physical death.
Obviously, these are two different women. Eve was not named twice.
Eve was her name - given after the fall.
And if you are saying that they were different women, then there was no resurrection. If there had been, it would have been the same woman brought back from the dead.
Read about Elijah raising a boy to life; or Jesus raising Jairus' daughter and Lazarus. In each case, it was the same person brought back to life.
As with Jesus himself - he gave the disciples many proofs that HE, Jesus, was alive again. He wasn't a different man.