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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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Rob23oba 7aca460c11
fix: add groups around simpLemma and grindLemma syntax (#9157) 
This PR wraps `simpLemma` and `grindLemma` in `ppGroup` to make sure
that the modifiers aren't printed separately from the term / identifier.
Example:
```
simp only [very_long_lemma_oh_no_can_you_please_stop_we're_getting_to_the_limit, ←
  wait_this_is_rewritten_backwards_oh_uhh_where's_the_arrow_you_ask?_oh_wait_it's_up_there!]
==>
simp only [very_long_lemma_oh_no_can_you_please_stop_we're_getting_to_the_limit,
  ← wait_this_is_rewritten_backwards_and_wow_it's_very_clear_and_obvious]
```
2025-07-02 15:11:51 +00:00
.github chore: CI: bump softprops/action-gh-release from 2.2.2 to 2.3.2 (#9139) 2025-07-01 21:22:15 +00:00
doc chore: update doc/dev/ffi.md after #9088 (#9112) 2025-07-01 01:00:59 +00:00
images chore(CMakeLists.txt): move Lean logo to make sure we can test leanemacs without installing Lean 2015-01-31 17:38:49 -08:00
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 chore: improvements to release automation (#9119) 2025-07-01 02:39:10 +00:00
src fix: add groups around simpLemma and grindLemma syntax (#9157) 2025-07-02 15:11:51 +00:00
stage0 chore: update stage0 2025-06-30 21:08:11 +00:00
tests fix: add groups around simpLemma and grindLemma syntax (#9157) 2025-07-02 15:11:51 +00:00
.gitattributes chore: Do not hide stage0/src/stdlib_flags.h from diffs 2023-09-13 19:29:25 +02:00
.gitignore feat: further release automation (#9092) 2025-06-30 05:44:10 +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 chore: ignore stage0/ (for rg etc.) 2022-03-18 15:28:20 +01:00
CMakeLists.txt chore: compile stage 0 against correct version string (#9085) 2025-06-29 20:52:46 +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 doc: VS Code dev setup (#2961) 2023-11-30 08:35:03 +00:00
lean.code-workspace chore: add the lean4 extension to the vscode workspace (#3059) 2023-12-14 08:58:21 +00:00
LICENSE chore: remove LICENSE header that confused GitHub 2021-11-18 09:42:35 +01:00
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.