Lean 4 fork for HoTT-compatible kernel extensions (Path types, transport, HITs). Maintained against upstream leanprover/lean4.
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2026-03-27 22:10:24 +00:00
.claude chore: speed up test suite slightly (#12969) 2026-03-20 12:24:32 +00:00
.github fix: rebootstrap cache in github CI (#13143) 2026-03-26 20:50:03 +00:00
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doc feat: unfold and rewrap instances in inferInstanceAs and deriving 2026-03-22 13:25:46 +01:00
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script chore: remove lean4checker from release repos (#13121) 2026-03-26 12:15:37 +00:00
src perf: prevent unnecessary allocations of EST.Out.ok (#13163) 2026-03-27 22:10:24 +00:00
stage0 chore: update stage0 2026-03-27 21:21:38 +00:00
tests refactor: use simpTelescope in mvcgen' simplifying_assumptions (#13159) 2026-03-27 15:48:35 +00:00
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CMakeLists.txt chore: make leantar available in stage0 (#12992) 2026-03-19 20:43:43 +00:00
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CONTRIBUTING.md chore: migrate pkg tests (#12889) 2026-03-11 18:55:46 +00:00
flake.lock
flake.nix chore: add aarch64-darwin to flake (#12915) 2026-03-18 15:55:34 +00:00
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This is the repository for Lean 4.

About

Installation

See Install Lean.

Contributing

Please read our Contribution Guidelines first.

Building from Source

See Building Lean.