Verified65% confidenceFactExact time
Lean is an interactive theorem prover developed by Microsoft Research that allows mathematicians to write proofs in a formal language and have their logical correctness verified by a computer.
3
Sources
65%
Confidence
Long-term
Relevance
10/8/2026
First Seen
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VerifiedLean requires that every step of derivation be written in a strict type-theoretic language, with logical completeness automatically verified by a computational kernel.78% similarVerifiedLean is an interactive theorem prover that requires every step of a proof to hold within a strict formal logic framework.78% similarVerifiedLean is an interactive theorem prover developed by Leonardo de Moura at Microsoft Research, based on dependent type theory.77% similarVerifiedInteractive theorem provers such as Lean, Coq, and Isabelle allow proof steps to be encoded in machine-verifiable formal languages71% similarVerifiedLean is based on dependent type theory and expresses proofs and programs in a unified manner.69% similar
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