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On the logic and role of Negative Introspection of Common Belief
Ist Teil von
Mathematical social sciences, 1998, Vol.35 (1), p.17-36
Ort / Verlag
Elsevier B.V
Erscheinungsjahr
1998
Link zum Volltext
Quelle
Elsevier Journal Backfiles on ScienceDirect (DFG Nationallizenzen)
Beschreibungen/Notizen
We provide two local characterizations of Negative Introspection of Common Belief (NI). The first shows NI to be equivalent to the conjunction of Truth of individuals' belief about what is commonly believed (TCB) and common belief in TCB. According to the second, NI corresponds to a general reducibility property of higher-order beliefs about common belief to either common belief or its negation. Negative Introspection of common belief and its characterizing conditions help provide epistemic foundations for game-theoretic solution concepts. We show this for correlated equilibrium under incomplete information as well as backward induction in a class of extensive games.