Unverified50% confidenceFactExact time
In formal proofs, every step of reasoning must be mechanically verified by a computer kernel; Lean's trusted computing base consists of only a few thousand lines of code.
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50%
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Long-term
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9/11/2026
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Related Claims
UnverifiedFormal proof systems (such as Lean, Coq, and Isabelle) require every reasoning step to conform to a predefined axiomatic system and be mechanically verified by computer79% similarUnverifiedFormal proof systems (such as Lean, Coq, and Isabelle) require proofs to be written as code that can be verified step by step by a computer, where any logical leap triggers a compilation error.78% similarUnverified证明助手的每一步推理都必须经过内核（kernel）的严格检查，内核代码量极小（通常只有几千行），从而将信任基础最小化77% similarUnverifiedAnyone can verify every logical step of a Lean formal proof themselves simply by downloading the corresponding software and running the verification script.73% similar
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