Di Tillio, Alfredo; Halpern, Joseph Y.; Samet, Dov - In: Games and Economic Behavior 87 (2014) C, pp. 253-268
We study type spaces where a player's type at a state is a conditional probability on the space. We axiomatize these spaces using conditional belief operators, examining three additional axioms of increasing strength. First, introspection, which requires the agent to be unconditionally certain...