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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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jrr6 7ed716f904
feat: improve projection and field-notation errors (#8986) 
This PR improves the error messages produced by invalid projections and
field notation. It also adds a hint to the "function expected" error
message noting the argument to which the term is being applied, which
can be helpful for debugging spurious "function expected" messages
actually caused by syntax errors.

---------

Co-authored-by: Joachim Breitner <mail@joachim-breitner.de>
2025-06-26 18:36:47 +00:00
.github chore: ci: fixes to Grove workflow (#9014) 2025-06-26 12:15:51 +00:00
doc chore: Grove: high-level sections (#9011) 2025-06-26 13:06:56 +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: move lean-pr-testing-NNNN branches to a fork (#8933) 2025-06-24 03:30:43 +00:00
src feat: improve projection and field-notation errors (#8986) 2025-06-26 18:36:47 +00:00
stage0 chore: update stage0 2025-06-26 18:04:18 +00:00
tests feat: improve projection and field-notation errors (#8986) 2025-06-26 18:36:47 +00:00
.gitattributes chore: Do not hide stage0/src/stdlib_flags.h from diffs 2023-09-13 19:29:25 +02:00
.gitignore chore: allow module in tests (#8881) 2025-06-21 02:49:22 +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 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 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.