Lean 4 fork for HoTT-compatible kernel extensions (Path types, transport, HITs). Maintained against upstream leanprover/lean4.
Find a file
Lean stage0 autoupdater 63d1b530ba chore: update stage0
2026-01-23 18:35:59 +00:00
.claude chore: add CI log retrieval guidance to CLAUDE.md (#11964) 2026-01-10 07:41:41 +00:00
.github perf: avoid allocation on lean_trace use in interpreter (#12036) 2026-01-18 19:33:48 +00:00
doc doc: write a guideline for tactic docstrings (#11406) 2026-01-06 04:40:20 +00:00
images
releases_drafts chore: add release draft for the module system (#11359) 2025-11-26 15:01:07 +00:00
script chore: modulize: work around unknown initial command (#12080) 2026-01-21 20:25:13 +00:00
src chore: revert "fix: do not compile with -fwrapv" (#12125) 2026-01-23 17:39:52 +00:00
stage0 chore: update stage0 2026-01-23 18:35:59 +00:00
tests fix: getParentDeclName? inside where inside public def (#12119) 2026-01-23 17:32:05 +00:00
.gitattributes doc: grove: update and add String data (#11551) 2025-12-08 16:49:37 +00:00
.gitignore chore: add .vscode/settings.json to .gitignore (#10795) 2025-10-16 07:08:41 +00:00
.gitpod.Dockerfile
.gitpod.yml
.ignore
CMakeLists.txt fix: cadical dynamic dependencies (#11475) 2025-12-02 13:54:26 +00:00
CMakePresets.json chore: CI: enable leak sanitizer again (#11339) 2025-11-27 18:32:35 +00:00
CODEOWNERS chore: make @hargoniX code owner of the compiler (#10732) 2025-10-10 04:43:38 +00:00
CONTRIBUTING.md
flake.lock
flake.nix
lean-toolchain
lean.code-workspace chore: lean.code-workspace: fix terminal cwd (#10802) 2025-10-16 20:19:12 +00:00
LICENSE
LICENSES
README.md
RELEASES.md

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.