The authors: “We publish this document with some reluctance, because as soon as you have the right framework, it`s mathematically trivial.” A question about your objections: how would you characterize the state of two human rationalist people who have not reached an agreement? Would you say that their disagreement is known to all or are they rather uncertain about their disagreement? A research paper by Ziv Hellman studies the same subject from a different perspective and studies what happens when priors are not usual. The paper presents a way to measure how far from ordinary priors are. If this distance ε then, to the general knowledge, disagreement about events is always limited from above by ε. If ε changes to zero, the initial Aumann match set is summarized.