e/Aumann's agreement theorem

Information
has gloss	eng: Aumanns agreement theorem, informally stated, says that two people acting rationally (in a certain precise sense) and with common knowledge of each others beliefs cannot agree to disagree. More specifically, if two people are genuine Bayesians with common priors, and if they each have common knowledge of their individual posteriors, then their posteriors must be equal.
lexicalization	eng: Aumann's agreement theorem
instance of	e/Bayesian inference