I wrote this in August 2007
In the Book of Mormon, Alma chapter 42, an interesting theological discourse is given. The summary is that if God did not act in the most right way, He would cease to be God. God is therefore constrained to be perfect. Or in other words God is good because he acts good. It is not the opposite–which would be that good is good because it comes from God. God’s actions are not good by default but only good in as much as they are intrinsically good.
God is also omniscient. He can thus see all of the consequence of any of his action. Where you and I are oblivious to seemingly unrelated or trivial consequence of our actions, God is not. God would be aware of every chain of event through the eternities.
In order to not cease being God, God must always choose the course of action that is the most good and just à la Alma 42. Otherwise He would be choosing the course of action that, even in a tiny degree, would lead to evil or injustice. God thus has no free will in any sense of the term because He is imprisoned by always choosing the most correct path.
The last dimension of this prison is that in Mormonism, merely thinking the wrong kinds of thought is a sin. Alma Chapter 45 verse 16 tells us: “the Lord cannot look upon sin with the least degree of allowance.” This means that God cannot even entertain the though of taking an action other than the most perfect.
This describes a being that is perfectly deterministic, no different than a simple state machine, an existence that can be described as nothing else then hellacious.
As a last note, traditional Christians do not have this conundrum because they would define good as whatever God says it is. Mormons cannot do this because, since God was once a man, Goodness must pre-date God and be independent of God’s will.