Lean is the result of over twelve years of continuous development. We designed and built every layer from scratch: the trusted kernel, the compiler, the language server, the IDE, the proof automation. The team is 20 people. The community independently chose Lean: mathematicians, AI researchers, and enterprise engineers, all building on the same platform.
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Publication date: 10 March 2026
第七十四条 依法被关押的违法行为人脱逃的,处十日以上十五日以下拘留;情节较轻的,处五日以上十日以下拘留。
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