Arguments against the existence of God

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Arguments against the existence of God attempt to establish that God's existence is unlikely or logically impossible. However, just showing that God's existence is unlikely doesn't really prove anything since improbable things happen.

The problem of evil[edit]

See the main article on this topic: Problem of evil

The problem of evil attempts to prove that the existence of evil contradicts the existence of an omnipotent and omnibenevolent (OO) entity, such as the Abrahamic God.

The problem of good[edit]

The problem of good is the inverse of the problem of evil, being that attempts to prove that the existence of good contradict the existence of an omnipotent and omnimalevolent entity. Almost any theodicies used to defend an all-good god can be used to defend an all-evil one as well.

Argument from poor design[edit]

The argument from poor design is based on the reasoning that an omnipotent, omniscient and omnibenevolent God would not create the Universe with the perceived suboptimal designs that can be seen in nature. Examples would be 99.999% of all species being extinct,[1] millions of dead stars and galaxies, and bone cancer in children. Fun stuff like that. The argument can be used against the existence of God and/or his competence.

Free will argument for the nonexistence of God (FANG)[edit]

The FANG argument from Dan Barker says that since an omniscient God would know its own future, and therefore its own decisions, it does not have free will and thus cannot be a personal being.[2]

Argument from incompatible attributes[edit]

The Argument from incompatible attributes attempts to prove that God is logically contradictory, much like a married bachelor, and therefore that specific God cannot exist. An example would be that God cannot be both all merciful and all just since mercy is a suspension of justice. The classic question "Can God create a stone so heavy that he cannot lift it?" is an example of his 'omni-' qualities clashing.[3]

Problem of divine hiddenness[edit]

The problem of divine hiddenness attempts to show an inconsistency between the existence of God and a world where people fail to recognize him.

Argument from inconsistent revelations[edit]

The argument from inconsistent revelations attempts to show that an all loving God is incompatible with an universe with so many mutually exclusive revelations, since an all loving God would not be the author of confusion and would attempt to clear it up.