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----------------------Begin-reposted-material------------------------------ Time to post what Martin called "the Scriven extension principle" (though in the hardback edition of "Atheism", this is misprinted on p.283 - I have corrected it to be consistent with earlier versions): A person is justified in believing that X does not exist if (1) all the available evidence used to support the view that X exists is shown to be inadequate; and (2) X is the sort of entity that, if X exists, then there is a presumption that there would be available evidence that would be evidence adequate to support the view that X exists; and (3) this presumption has not been defeated although serious efforts have been made to do so; and (4) the area where evidence would appear, if there were any, has been comprehensively examined; and (5) there are no acceptable beneficial reasons to believe that X exists. ------------------------End-reposted-material------------------------------

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