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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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Wojciech Różowski c17c4598bc
chore: refactor the usages of Meta.mkCongrArg with SymM primitives in cbv (#13665) 
This PR replaces `Meta.mkCongrArg` call sites in `handleProj` and
`simplifyAppFn` are replaced with direct `congrArg` constructions that
reuse types already in the `Sym` pointer cache. A few stray unqualified
`inferType` / `getLevel` / `isDefEq` calls in the same file are also
routed through the cached `Sym` equivalents.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-07 10:31:48 +00:00
.claude chore: CLAUDE.md: test moddocs (#13662) 2026-05-06 14:03:06 +00:00
.github chore: rename reldebug preset to more appropriate relwithassert (#13657) 2026-05-06 13:27:53 +00:00
.vscode chore: fixes from #13103 "enable separate codegen" (#13241) 2026-04-02 11:13:22 +00:00
doc doc: how to LLVM upgrade (#13656) 2026-05-06 10:03:53 +00:00
images
releases_drafts
script chore: update release tooling and docs (#13631) 2026-05-04 15:33:36 +00:00
src chore: refactor the usages of Meta.mkCongrArg with SymM primitives in cbv (#13665) 2026-05-07 10:31:48 +00:00
stage0 chore: update stage0 2026-05-05 18:38:42 +00:00
tests fix: elaborate and render blockquotes in Verso docstrings (#13670) 2026-05-06 23:59:11 +00:00
.gitattributes chore: migrate more tests to new test suite (#12809) 2026-03-06 16:52:01 +00:00
.gitignore chore: update release tooling and docs (#13631) 2026-05-04 15:33:36 +00:00
.gitpod.Dockerfile
.gitpod.yml chore: strip binaries only in release builds (#13208) 2026-03-31 17:18:43 +00:00
.ignore
AGENTS.md chore: add AGENTS.md symlink to CLAUDE.md (#13461) 2026-04-18 06:48:05 +00:00
CMakeLists.txt chore: use the lean-llvm LLVM for benchmarking (#13634) 2026-05-05 14:26:08 +00:00
CMakePresets.json chore: rename reldebug preset to more appropriate relwithassert (#13657) 2026-05-06 13:27:53 +00:00
CODEOWNERS
CONTRIBUTING.md chore: migrate pkg tests (#12889) 2026-03-11 18:55:46 +00:00
flake.lock
flake.nix chore: add aarch64-darwin to flake (#12915) 2026-03-18 15:55:34 +00:00
lean-toolchain chore: relative lean-toolchains (#12652) 2026-02-25 10:23:35 +00:00
LICENSE
LICENSES feat: bundle leantar with Lean (#12822) 2026-03-09 20:10:59 +00:00
README.md
RELEASES.md

README.md

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.