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Can a zero prior probability for some theories be justified?

Let us assume the case of psychics and call the hypothesis of a “psychic explanation” H. Bayesian theory tells you to never assign a prior of zero. This is because if P(H) = 0, then no amount of ...
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1 vote
1 answer
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Does Bayes' Theorem justify rejecting an argument for the supernatural from a well-supported miracle?

Suppose you have really good evidence for a miracle. Let's say that given the evidence, the probability of the miracle having occurred is about 80%. Now, you also know that miracles can only occur if ...
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