Lean Now Ships with Verified Kernels
Summary
The Lean project is shipping verified kernels for its proof assistant, expanding its kernel family with new implementations like con-leche and con-ron and introducing tools such as lake check for rechecking proofs against external kernels. The post discusses sandboxed verification, performance measurements, and ongoing renovation efforts to improve scalability and reliability. It also outlines future plans for additional verified kernels and improved verification infrastructure.