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Yes, I do. That things that delt with the laws of Clean and Unclean. Those did not exist before the Exodus, and were strictly temporal.
The Moral Laws, acts that offend God or do not offend God, are eternal. Those prexist Exodus (such as Gen 9) and are eternal.
As Aquinas noted, God is unchanging, what offends God will always offend God. What does not, does not.
Do you consider Capital Punishment to be a matter of ritual cleanliness or a moral issue?
Do you see them as being in conflict? I do not. Both say that Capital Punishment may be used, and both agree that it is the State who has the authority to decide to implement it.
I think you understate the scope of Divine Laws in the OT by limiting them to only those laws dealing with ritual cleanliness. Many dealt with capital punishement. I think you also err in elevating the book of Exodus as if it is a gateway for laws which may be considered Eternal and laws which may be considered Divine. Within Exodus we are given the Ten Commandments (Eternal) as well as the Divine Laws:
Exodus 2:11-12
On one occasion, after Moses had grown up, when he visited his kinsmen and witnessed their forced labor, he saw an Egyptian striking a Hebrew, one of his own kinsmen. Looking about and seeing no one, he slew the Egyptian and hid him in the sand.
Exodus 32:26-28
[H]e [Moses] stood at the gate of the camp and cried, “Whoever is for the LORD, let him come to me!” All the Levites then rallied to him, and he told them, “Thus says the LORD, the God of Israel: Put your sword on your hip, every one of you! Now go up and down the camp, from gate to gate, and slay your own kinsmen, your friends and neighbors!” The Levites carried out the command of Moses, and that day there fell about three thousand of the people.
As examples of Divine Law involving the capital punishment of genocide:
De 20:16-17
But in the cities of those nations which the LORD, your God, is giving you as your heritage, you shall not leave a single soul alive. You must doom them all-the Hittites, Amorites, Canaanites, Perizzites, Hivites and Jebusites-as the LORD, your God, has commanded you …
And individual conddemnations for sexual deviance:
Leviticus
9
"Anyone who curses his father or mother shall be put to death; since he has cursed his father or mother, he has forfeited his life.
10
If a man commits adultery with his neighbor’s wife, both the adulterer and the adulteress shall be put to death.
11
If a man disgraces his father by lying with his father’s wife, both the man and his stepmother shall be put to death; they have forfeited their lives.
12
If a man lies with his daughter-in-law, both of them shall be put to death; since they have committed an abhorrent deed, they have forfeited their lives.
13
If a man lies with a male as with a woman, both of them shall be put to death for their abominable deed; they have forfeited their lives.
14
If a man marries a woman and her mother also, the man and the two women as well shall be burned to death for their shameful conduct, so that such shamefulness may not be found among you.
15
If a man has carnal relations with an animal, the man shall be put to death, and the animal shall be slain.
16
If a woman goes up to any animal to mate with it, the woman and the animal shall be slain; let them both be put to death; their lives are forfeit.
For concerting with fortune-tellers:
27
“A man or a woman who acts as a medium or fortune-teller shall be put to death by stoning; they have no one but themselves to blame for their death.”
For gathering sticks on the Sabbath (Nu 15:32-36):
32
While the Israelites were in the desert, a man was discovered gathering wood on the sabbath day.
33
Those who caught him at it brought him to Moses and Aaron and the whole assembly.
34
But they kept him in custody, for there was no clear decision as to what should be done with him.
35
Then the LORD said to Moses, “This man shall be put to death; let the whole community stone him outside the camp.”
36
So the whole community led him outside the camp and stoned him to death, as the LORD had commanded Moses.
For disobedience by children (De 21:18-21):
18
"If a man has a stubborn and unruly son who will not listen to his father or mother, and will not obey them even though they chastise him,
19
6 his father and mother shall have him apprehended and brought out to the elders at the gate of his home city,
20
where they shall say to those city elders, ‘This son of ours is a stubborn and unruly fellow who will not listen to us; he is a glutton and a drunkard.’
21
Then all his fellow citizens shall stone him to death.
For cursing one’s parents (Ex 21:17):
17
"Whoever curses his father or mother shall be put to death.
Do you agree these are Divine Laws?