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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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Eric Wieser ec39de8cae
fix: allow generalization in let (#3060) 
As suggested by @kmill, removing an unnecessary `let` (possibly only
there in the first place for copy/paste reasons) seems to fix the
included test.

This makes `~q()` matching in quote4 noticeably more useful in things
like `norm_num` (as it fixes
https://github.com/leanprover-community/quote4/issues/29)

It also makes a quote4 bug slightly more visible
(https://github.com/leanprover-community/quote4/issues/30), but the bug
there already existed anyway, and isn't caused by this patch.

Fixes #3065
2024-01-23 09:02:05 +00:00
.github chore: CI creates lean-pr-testing-NNNN branches at Std too (#3200) 2024-01-22 03:06:59 +00:00
doc feat: partial context info (#3159) 2024-01-22 12:34:20 +00:00
images
nix chore: set warningAsError in CI only (#3030) 2023-12-06 08:18:39 +00:00
script chore: refactor pr release workflow (#3020) 2023-12-12 00:45:10 +00:00
src fix: allow generalization in let (#3060) 2024-01-23 09:02:05 +00:00
stage0 chore: update stage0 2024-01-10 17:27:35 +01:00
tests fix: allow generalization in let (#3060) 2024-01-23 09:02:05 +00:00
.gitattributes chore: Do not hide stage0/src/stdlib_flags.h from diffs 2023-09-13 19:29:25 +02:00
.gitignore chore: update tests to account for .lake 2023-11-13 20:31:24 -05:00
.ignore chore: ignore stage0/ (for rg etc.) 2022-03-18 15:28:20 +01:00
CMakeLists.txt feat: embed and check githash in .olean (#2766) 2023-11-27 10:24:43 +00:00
CODEOWNERS doc: widget code owner 2023-12-01 15:46:45 +00:00
CONTRIBUTING.md doc: Adjust contributor's docs to squash merging (#2927) 2023-11-21 10:13:43 +00:00
default.nix doc: setup 2021-01-03 13:21:58 +01:00
flake.lock chore: Nix bump to LLVM 15 2023-07-28 10:56:54 +02:00
flake.nix chore: Nix: use strings instead of URL literals (#2172) 2023-03-28 10:10:24 +02:00
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 chore: add GMP license for now 2021-11-18 09:42:35 +01:00
README.md doc: Update contribution guides (#2624) 2023-10-25 13:05:55 +11:00
RELEASES.md doc: add missing 'not' in simprocs example in RELEASES.md (#3206) 2024-01-22 16:14:18 +00:00
shell.nix chore: Nix bump to LLVM 15 2023-07-28 10:56:54 +02:00

README.md

This is the repository for Lean 4.

We provide nightly releases and have just begun regular stable point releases.

About

Installation

See Setting Up Lean.

Contributing

Please read our Contribution Guidelines first.

Building from Source

See Building Lean.