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Some varieties of atheism

	on left	Implicit "negative" / "weak" / "soft" atheists who lack a belief in God without explicitly denying the concept, includes very young children, those who are unacquainted with the concept or are truly undecided.
	on right	Explicit "negative" / "weak" / "soft" atheists who do not believe that God exists necessarily.
	on right	Explicit "positive" / "strong" / "hard" atheists who firmly believe that God doesn't exist.

Note: Areas in the diagram are not meant to indicate relative numbers of people.