Eric you said "so hardening is either for a group in general for a revealed future purpose, or for individuals who have already rejected many opportunities."
Please explain how these are not "the same." How does the hardening of a group in general not affect the specific individual of that group?
To explain this, I'll give a clip from my predestination page:
A group in general can be blinded, and individuals still have the choice to either go along with the group or repent. Just look at how this modern society has been portrayed as "blinded" and coming under God's judgment (including by Calvinist preachers). Does that mean none of us can repent? Truly, Western society is much like the Israel of Bible times, taking pride in a heritage of the religion of God. But like in the Bible, man had corrupted it, and people rebelled, and now people have made up their own minds about God and the way to live, and want to hear nothing about the truth of the Bible, as morality plunges ever further and further. So we are truly "hardened" and "blinded" and it can once again be said that the truth is not "given" people, but this is not from God witholding any chance or ability to believe to each individual, (based on a decree from "before they were born") but just the general state of the society at large, and people do have a choice to follow it or turn to God. Remember, the two groups God through his prophets and Paul is addressing is "the children of the flesh" and "the children of promise". One is the group God has given His truth, so what is the other? Blinded!
Once again, this is regarding a person's state at that given time, not for eternity. Still, not all were like this, and some did repent. In Matt.13, right after quoting Isaiah, Jesus points out that the "prophets" and "righteous men" also weren't granted seeing and hearing what was granted to the disciples (v.17) but they were by no means "reprobates". If these passages were referring to the unconditional reprobation of a group as the sum of all of its individuals, it would preclude any righteous people in Israel. So even if some are "elected" out of this, it must be the group in general that is hardened, and only certain individuals specifically.
Where individuals are already sinners and wouldn't need to be "hardened" or "blinded" in order to be condemned, still, groups can hold a lot of truth and righteousness (even if every member doesn't obey it), or God can allow them to be completely darkened. Of course, God's "purpose" in blinding and hardening Israel is to show that having a nation under His Law did not make people righteous. This was for preparing the way for the Gospel of Christ, not reprobating individuals to Hell.
And you must agree that those who are hardened (Israelites) are ones who had "already rejected many opportunities." I'm not sure how you and I disagree. Please explain. Thanks.
They do overlap, where God hardens the group because the individuals in it have hardened themselves:
Matt.13:11-15 where Jesus quotes from Isaiah, note v.12 "whoever has, to him shall be given, and he shall have more abundance, but whoever hath not, from him shall be taken away even that which he has", and the second part of the quote in v.15 where "lest at anytime they should see...and should be converted, and I should heal them" is explained by "for this people's heart is waxed gross...and their eyes they have closed" not God's initial action. So where Romans 9 looks at the hardening of Israel from the "unconditional" (according to a foreordained purpose) viewpoint, there is also the element, seen here where this is simply because of the fact that they [as individuals] had ample opportunity to repent, but went beyond the time God had given them, and were "given over".
I emphasized the separateness of the two reasons of hardening to try to be more true to "God hardens whom He will" and not make it but so dependant on what the people themselves do.
Still, this can be understood by:
Ultimately, everyone was stubborn and deserved hardening, but God obviously doesn't harden everyone who deserves it. Every person who dabbles in perversion doesn't suffer what Romans 1 describes. But it was their choice to be in that position in the first place. Still, there was nothing stopping individuals in Israel, plus maybe even Pharaoh himself, (AFTER God's "purpose" was fulfilled), from eventually coming to faith. So this is the proper understanding of "vessels" and God "hardening or having mercy on whomever He will".
Of course, that has gone into individuals again, but the point was, there was a distinction between individual and group hardening, and temporal and permanent hardening. Maybe your concept is a bit clearer, but as I said, I have to study and weigh it more.