Can an omnipotent God create free will without the possibility of evil?
In short: If a creator is all-powerful and all-good, why does suffering exist? In 1977, Alvin Plantinga proposed a logical defense suggesting that even an omnipotent being might be unable to create a world with significant freedom where creatures never choose to do wrong.
Plantinga’s free-will defense was designed to counter J.L. Mackie's 1955 argument, which claimed that the existence of evil is logically incompatible with an omnipotent, omniscient, and omnibenevolent God. Plantinga argued that this contradiction only exists if one assumes unstated premises. He clarified that omnipotence does not include the power to do things that are logically impossible—such as creating a square circle or forcing a creature to act freely while simultaneously determining its actions.
The core of the defense rests on the distinction between moral and physical evil. Plantinga posits that a world containing significantly free creatures who perform more good than evil is more valuable than a world with no free creatures at all. Nevertheless, true liberty requires that God refrain from forcing these beings to act solely correctly; such compulsion would negate their autonomy. Therefore, to create beings capable of moral good, God must also create beings capable of moral evil. The occurrence of such evil does not violate God's power or goodness because forestalling it would require removing the possibility of moral good.
To address why a perfect God wouldn't simply create humans who always choose well, Plantinga introduced 'transworld depravity.' This hypothesis suggests that all possible free human beings suffer from a condition where they would freely choose at least one wrong action. If this is true, even an omnipotent being could not actualize a world of free creatures who only do good. While many philosophers accept this as defeating the logical problem of evil, critics like J.L. Mackie argue that an omnipotent God should have been able to create human essences that are not afflicted by such depravity.
The debate remains nuanced: while Plantinga's work is widely cited as a successful defense against the 'logical' problem of evil, some philosophers argue the argument still faces challenges regarding natural evils—like diseases or volcanoes—which lack an apparent connection to human free will. Consequently, much of modern philosophical discussion has shifted from whether God and evil are logically possible to whether their coexistence is likely based on evidence.
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- Summary by Intellect · source: Alvin Plantinga's free-will defense
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