Lean; About · Download · Documentation · Blog · Publications · Links · People. Programming Language and Theorem Prover.

Lean is a proof assistant and a functional programming language. It is based on the calculus of constructions with inductive types. It is an open-source ... History · Overview · Examples (Lean 4) · Usage

The Lean theorem prover is a proof assistant developed principally by Leonardo de Moura. The community recently switched from using Lean 3 to using Lean 4. Lean projects · Papers about Lean · Lean Glossary · Learning Lean 4

Lean and its Mathematical Library #. The Lean theorem prover is a proof assistant developed principally by Leonardo de Moura at Microsoft Research.

Lean ; Proof assistant · Microsoft Research · C++ · Cross-platform.

Lean is a functional programming language and interactive theorem prover. Our project strives to revolutionize mathematics by empowering anyone with an ...

Proof assistants allow us to formalise mathematical statements and to verify formalised mathematical proofs. The Lean proof assistant uses type theory as ...

Q&A for mathematicians and computer scientists who develop and use proof assistants. Lean · Lean-mathlib · Questions tagged [lean4] · Questions tagged [lean]

14 окт 2023 · Stable and nightly binary releases of Lean are available on the homepage. For building Lean from source, see the build instructions.

When used as a proof assistant, Lean provides a powerful elaborator that can handle higher-order unification, definitional reductions, coercions ...