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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_04_23_chojecki: Chojecki's note, obtained with GPT-5.4 Pro, shows the printed question false counted over pairs, per point or on average, and answers its threshold repair yes below root 2 and no on [root 2, root 3).

2026_07_15_snyder: A one-separated oblique lattice with more points than the triangular lattice within distance 6 refutes the printed question at t = 6 under each counting reading; with a strict-threshold variant and a repaired final clause; in Lean.