Acting on belief functions

Abstract The degrees of belief rational agents should be guided by the evidence available to them. This paper takes as a starting point view—argued elsewhere—that formal model best able capture this idea is one that represents using Dempster–Shafer functions. However, not only respect evidence; they also guide decision and action. Whatever we adopt, need theory works with it: input so represented. task develop such for function belief. first attempt task, but compared existing literature it more abstract route its destination, via consideration very making in light one’s beliefs desires. After presenting new comparing views, goes on consider diachronic situations.