It requires a double negative "a belief in non-belief" which is an absurdity to make an argument. Nothing more. If I am to change my position of non belief in

It requires a double negative "a belief in non-belief" which is an absurdity to make an argument. Nothing more. If I am to change my position of non belief in faeries, gods, little green men, moons made of green cheese, and telepathy all it takes is a little repeatable evidence. That is not belief in their absence. When the evidence is there I will be a) very surprised b) changing my opinion.