I see you have no understanding of the scriptures, google your way through life and you will fall short. You actually answered the question yourself but didn't realize that you did. Adam wasn't set up, Adam knew the consequences for disobedience, God told him it would result in death, guess what it did. What evidence do you have that Adam was child like, the Bible never says he was, you have added speculation into your post and called it truth, shame. Jesus died for our and Adam's sins, in belief we are redeemed from them and death is over come through grace. Seems you skipped right over what salvation is about, making things up only hurts your argument, try studying the Bible for several years before arguing deeper subject such as this. We've argued this here many times go look up some of the Christian responses and see what's been said.
GC
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God loves those who believe and those who do not and the same goes for me, you have no choice in this matter. That puts the matter of total free will to rest.