Science & math
Lean 4 disproof of the Köthe conjecture
In an Epoch AI eval, a pre-release GPT-6 Astra autonomously wrote a Lean 4 counterexample. Challenge/Solution, Comparator config, and CI are in the repo.
Science & math / GPT-6 Astra

让 Astra 制作喷气发动机三维模型。 作者描述内部叶片转动与气流可视化。 教学示意未经工程精度验证,完整 prompt 仅预告在回复。
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