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Lean is backed by Mathlib, the largest coherent body of formalized mathematics ever created: over 200,000 formalized theorems and 750 contributors. Five Fields medalists engage with Lean. The same platform serves mathematicians formalizing theorems and engineers verifying production systems. ACM SIGPLAN recognized this convergence with its 2025 Programming Languages Software Award: “Lean has become the de facto choice for AI-based systems of mathematical reasoning.”，更多细节参见heLLoword翻译官方下载
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翻山越岭，才知道驻守华山之巅气象工作者的艰辛。虽在平凡岗位，却有着催人奋进的力量。