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.
They’re not mandatory. Not all modules have infrastructure code, and not all have so complex business logic that would make the separation justified. The most important hint on introducing an infra-module is a need to unit test the Business-Module.，详情可参考谷歌浏览器下载
，这一点在旺商聊官方下载中也有详细论述
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第二次：把设备本身当文档推进到硬件模拟阶段，GLM 在判断某些具体硬件规格时又开始乱说。这次我没有去找外部文档，而是想到了另一个信息来源：设备本身。