Lean 4 fork for HoTT-compatible kernel extensions (Path types, transport, HITs). Maintained against upstream leanprover/lean4.
Find a file
Joachim Breitner a6f4e9156e
fix: avoid unknown free variables in match error message (#11190)
This PR avoids running into an “unknown free variable” when printing the
“Failed to compile pattern matching” error. Fixes #11186.
2025-11-15 16:31:24 +00:00
.claude chore: basic dev instructions for Claude (#11074) 2025-11-04 04:07:53 +00:00
.github chore: CI: bump actions/upload-artifact from 4 to 5 (#11052) 2025-11-11 12:41:14 +00:00
doc feat: String.toList_map (#11021) 2025-11-01 13:54:39 +00:00
images
releases_drafts
script feat: #grind_lint command (#11157) 2025-11-13 00:42:18 +00:00
src fix: avoid unknown free variables in match error message (#11190) 2025-11-15 16:31:24 +00:00
stage0 chore: update stage0 2025-11-15 05:46:38 +00:00
tests fix: avoid unknown free variables in match error message (#11190) 2025-11-15 16:31:24 +00:00
.gitattributes fix: mark doc parser tests as eol=lf (#10344) 2025-09-11 11:19:01 +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 chore: make USE_LAKE the default (#10016) 2025-08-21 11:43:25 +00:00
CMakePresets.json
CODEOWNERS chore: make @hargoniX code owner of the compiler (#10732) 2025-10-10 04:43:38 +00:00
CONTRIBUTING.md
flake.lock
flake.nix chore: use lld if available for building core (#10694) 2025-10-08 16:47:30 +00:00
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 doc: update URLs that are currently pointing to redirects (#10397) 2025-09-17 15:50:07 +00:00
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.