Samet, Dov - EconWPA - 1996
The three notions studied here are Bayesian priors, invariant priors and introspection. A prior for an agent is … Bayesian, if it agrees with the agent's posterior beliefs when conditioned on them. A prior is invariant, if it is the average …, with respect to itself, of the posterior beliefs. Finally, an agent is introspective, if he is certain of his own beliefs …