At the Lean FRO, Kim Morrison, a Senior Research Software Engineer, recently ran an experiment that went well beyond our expectations. An AI agent converted zlib, a widely used C compression library embedded in countless systems, to Lean, with minimal human guidance. No special tooling was built. It was Claude, a general-purpose AI, with no special training for theorem proving, out of the box. The workflow had four steps. First, the AI produced a clean, readable Lean implementation of the zlib compression format, including the DEFLATE algorithm at its core. Second, the Lean version passed the library’s existing test suite, confirming behavioral equivalence. Third, key properties were stated and proved, not as tests, but as mathematical theorems. The capstone theorem:
combinator reducer is implemented in C. The compiler is written in Haskell and
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Israeli airforce attacking cities simultaneously with a ‘wave of extensive strikes’ as soldiers are deployed on the ground in southern Lebanon
数据显示，杠杆资金持续布局中。半导体设备ETF易方达最新融资买入额达1247.87万元，最新融资余额达4896.52万元。（数据来源：Wind）
The SharkClean app is basic as always — not unusable by any means, but also not the precise, premium experience that you'll get from other robot vacuums in this price range.