From https://en.wikipedia.org/wiki/Cromwell%27s_rule https://en.wikipedia.org/wiki/Cromwell%27s_rule > If the prior probability assigned to a hypothesis is 0 o

From https://en.wikipedia.org/wiki/Cromwell%27s_rule https://en.wikipedia.org/wiki/Cromwell%27s_rule > If the prior probability assigned to a hypothesis is 0 or 1, then, by Bayes' theorem, the posterior probability (probability of the hypothesis, given the evidence) is forced to be 0 or 1 as well; no evidence, no matter how strong, could have any influence.