It has little to do with logic. The burden is on the claimant to provide evidence, whether the claim is a positive or a negative one. Whether or not the claim is supernatural, strange, or ludicrous does not change that.
In most real world cases, a perfect logical proof is not needed. A lack of evidence where evidence would be expected is also evidence, and pointing out that a bodily resurrection and complete and instantaneous healing of grievous trauma runs counter to everything we know about how the body works and that such an occurrence has never been reliably documented in all of medical history should be sufficient to substantiate the claim that there was no resurrection, absent more compelling evidence for the positive claim.
By the way, I'd say it is possible to prove that leprechauns do not hide gold at the end of the rainbow: there is no end of the rainbow. It's an optical illusion, not a physical object.
This is a really good point.
In truth, I don't think the standard view of burden of proof is really that useful. It leads to pointless bickering, like we see in this thread. Instead, I look at it like this:
First, ignore the person making the claim, whether it's "positive" or "negative"... Set all of it aside.
For any given belief, is it rational or is it not?
If the belief is rational, what is its rational basis?
That's it.
I believe that Jesus did not raise from the dead. This is a rational belief because, as Porpoise said, it would be contrary to our substantial understanding of human physiology, injury, death, etc. Why do I need to concern myself with who said what?
I agree
The onus of proof is on the claimant.
If the claimant does not prove his claim then lack of belief in his claim is ENTIRELY LOGICAL and JUSTIFIED by reason and rationality and logic.
The PROOF is the claimant's inability to provide a proof for his claim.
Also in supernatural matters since they already are in violation of all epistemology based on reason and logic and rationality and PRACTICAL REASONING then any supernatural claim is already proven false unless it is proven otherwise.
Guilty/False until proven innocent/true is entirely logical and justified in the case of supernatural claims and other claims of the type that go against rational epistemology.
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