Do not confuse weak atheism from strong atheism. For instance, just because one believes that something is not true would not automatically mean that he believes it to be false, too. For some atheists, they would simply state that god is not true but they will not declare that god is false. In summary, not believing that something is true does not make it false. This scenario is often misinterpreted and agnosticism is made synonymous with atheism, which is not the case.
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