 Theorem. Suppose that \(s\in (\frac{1}{2}, 1)\). For all \(E\in{\bf A}^{\Pr}\), let \(\Bel_E = \{ A : \Pr(A|E) \geq s\}\). Then, \(\Bel_{{\bf A}^{\Pr}}\) satisfies Inclusion, Success and Extensionality. 