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Research notes on every problem, and a library of the papers behind them. Built from the open erdos repository.
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2026_09_02_li: Answers the mistyped wording the site carried until 7 September 2026 (first target aleph_{omega_{omega+1}+1}), not the Statement (first target aleph_{omega_{omega+1}}), so it does not count toward the problem's standing. The relation Li claims is true (a 1965 theorem of Erdős, Hajnal and Rado).
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