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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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Cameron Zwarich 8edcfbe776
fix: correctly handle non-Nat literal types in LCNF elimDeadBranches (#9703) 
This PR changes the LCNF `elimDeadBranches` pass so that it considers
all non-`Nat` literal types to be `⊤`. It turns out that fixing this to
correctly handle all of these types with the current abstract value
representation is surprisingly nontrivial, and it's better to just land
the fix first.
2025-08-05 02:14:07 +00:00
.github chore: upload build directory as artifact in cache CI (#9600) 2025-07-28 20:29:51 +00:00
doc doc: freshen up Mac OSX build instructions (#9618) 2025-07-29 21:42:24 +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 chore: update release_repos.yml (#9705) 2025-08-04 02:51:41 +00:00
src fix: correctly handle non-Nat literal types in LCNF elimDeadBranches (#9703) 2025-08-05 02:14:07 +00:00
stage0 chore: update stage0 2025-08-03 04:34:00 +00:00
tests fix: correctly handle non-Nat literal types in LCNF elimDeadBranches (#9703) 2025-08-05 02:14:07 +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
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: make datokrat code owner for iterators, ranges and slices (#9667) 2025-08-01 17:34:43 +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
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.