Meme turn 50: Aumann's 'Agreeing to Disagree' paper anniversary

Aaroth · x · 2026-11-02

A repost of the first page of Robert J. Aumann's 1976 paper Agreeing to Disagree (Annals of Statistics) with the caption "Happy 50th birthday!". The paper formalized common knowledge and proved that agents with identical priors and commonly known posteriors must agree — a foundational result still cited in multi-agent AI debates.

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