 Jeffrey Conditionalization  Given the prior probability assignments \(p(H\mid E)\) and \(p(H\mid \neg E)\), the new, unconditional probability assignment to \(H\) upon learning \(E\) with level of certainty \(p'(E)\) should be:  \[p'(H) = p(H \mid E)p'(E) + p(H \mid \neg E)p'(\neg E).\]   