Lean 4 fork for HoTT-compatible kernel extensions (Path types, transport, HITs). Maintained against upstream leanprover/lean4.
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.claude doc: add changelog label instructions to CLAUDE.md (#12227) 2026-01-29 03:24:23 +00:00
.github fix: use mathlib-lean-pr-testing app for PR comments (#12323) 2026-02-05 10:19:10 +00:00
doc doc: clarify release notes title format requirements (#12182) 2026-01-27 08:08:47 +00:00
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script chore: reformat all cmake files (#12218) 2026-01-28 18:23:08 +00:00
src refactor: port IR elim_dead_vars to LCNF (#12356) 2026-02-06 17:01:59 +00:00
stage0 chore: update stage0 2026-02-06 17:11:00 +00:00
tests chore: remove orphaned *.expected.out files (#12357) 2026-02-06 17:05:43 +00:00
.gitattributes doc: grove: update and add String data (#11551) 2025-12-08 16:49:37 +00:00
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CMakeLists.txt chore: reformat all cmake files (#12218) 2026-01-28 18:23:08 +00:00
CMakePresets.json chore: CI: enable leak sanitizer again (#11339) 2025-11-27 18:32:35 +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.