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Lean 4 fork for HoTT-compatible kernel extensions (Path types, transport, HITs). Maintained against upstream leanprover/lean4.
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Kim Morrison eaa1bc14ed
chore: more simp lemmas for LawfulGetElem (#8470) 
This PR adds `@[simp]` to `getElem_pos/neg` (similarly for `getElem!`).
These are often already simp lemmas for concrete types.
2025-05-27 09:41:22 +00:00
.github chore: fix awaiting-mathlib.yml (#8480) 2025-05-26 02:13:00 +00:00
doc chore: revert mistaken deletion (#8404) 2025-05-19 12:14:09 +00:00
images
nix chore: fix Nix build 2025-04-21 18:40:11 +02:00
releases_drafts chore: updates to release_checklist.md (#7817) 2025-04-04 03:45:36 +00:00
script feat: do not export def bodies by default (#8221) 2025-05-15 12:16:54 +00:00
src chore: more simp lemmas for LawfulGetElem (#8470) 2025-05-27 09:41:22 +00:00
stage0 chore: update stage0 2025-05-23 15:21:08 +00:00
tests fix: simp_all? and simp_all?! (#8491) 2025-05-27 07:07:12 +00:00
.gitattributes
.gitignore chore: update .gitignore for release checklist scripts (#7810) 2025-04-03 23:55:48 +00:00
.gitpod.Dockerfile chore: add gitpod configuration (#6382) 2024-12-15 21:38:13 +00:00
.gitpod.yml chore: add gitpod configuration (#6382) 2024-12-15 21:38:13 +00:00
.ignore
CMakeLists.txt fix: cadical distribution on Linux (#8201) 2025-05-02 18:25:16 +00:00
CMakePresets.json chore: fix reldebug preset (#8051) 2025-04-23 10:05:11 +00:00
CODEOWNERS chore: add @zwarich to the compiler CODEOWNERS (#8305) 2025-05-12 18:42:54 +00:00
CONTRIBUTING.md doc: triage 2024-07-26 18:24:06 +02:00
flake.lock chore: robustify Nix shell (#8141) 2025-04-28 15:08:32 +00:00
flake.nix chore: robustify Nix shell (#8141) 2025-04-28 15:08:32 +00:00
lean-toolchain
lean.code-workspace
LICENSE
LICENSES feat: ship cadical (#4325) 2024-08-23 09:13:27 +00:00
README.md chore: remove old documentation site (#7974) 2025-05-14 14:31:33 +00:00
RELEASES.md chore: updates to release_checklist.md (#7817) 2025-04-04 03:45:36 +00:00

README.md

This is the repository for Lean 4.

About

Installation

See Setting Up Lean.

Contributing

Please read our Contribution Guidelines first.

Building from Source

See Building Lean.