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.”
一文搞懂深度学习的反向传播与优化理论！
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Дополнение: Правительство Чувашии после публикации новости удалило сообщение о выпущенных ракетах и опровергло эту информацию.
在1979年那场颠覆巴列维王朝、建立伊朗伊斯兰共和国的革命中，主力并非来自单一阶级，而是一个由传统精英、现代知识分子、底层民众和左翼力量组成的“反巴列维联盟”。