Lean 4 fork for HoTT-compatible kernel extensions (Path types, transport, HITs). Maintained against upstream leanprover/lean4.
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Markus Himmel 68d9d14d44
chore: do not use the coercion α → Option α in Init and Std (#8085)
This PR moves the coercion `α → Option α` to the new file
`Init.Data.Option.Coe`. This file may not be imported anywhere in `Init`
or `Std`.
2025-04-24 13:35:01 +00:00
.github chore: CI: revert accidentally disabling Lake cache 2025-04-24 15:01:09 +02:00
doc chore: updates to release_checklist.md (#7817) 2025-04-04 03:45:36 +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 non-essential metadata into .olean.server (#8068) 2025-04-24 08:12:26 +00:00
src chore: do not use the coercion α → Option α in Init and Std (#8085) 2025-04-24 13:35:01 +00:00
stage0 feat: environment constant data can be split into .olean.private (#8079) 2025-04-24 13:04:31 +00:00
tests chore: do not use the coercion α → Option α in Init and Std (#8085) 2025-04-24 13:35:01 +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 .gitignore for release checklist scripts (#7810) 2025-04-03 23:55:48 +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: lake: bootstrap Lean include directory (#7967) 2025-04-15 23:15:53 +00:00
CMakePresets.json chore: fix reldebug preset (#8051) 2025-04-23 10:05:11 +00:00
CODEOWNERS chore: adjust CODEOWNERS (#6327) 2024-12-10 08:37:20 +00:00
CONTRIBUTING.md doc: triage 2024-07-26 18:24:06 +02:00
flake.lock feat: upgrade cadical to 2.1.2 (#7347) 2025-03-05 17:58:58 +00:00
flake.nix chore: CI: bring back coredump tracing (#7625) 2025-03-21 15:25:45 +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: update documentation title and link README to reference (#6409) 2024-12-17 22:18:56 +00:00
RELEASES.md chore: updates to release_checklist.md (#7817) 2025-04-04 03:45:36 +00:00

This is the repository for Lean 4.

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Installation

See Setting Up Lean.

Contributing

Please read our Contribution Guidelines first.

Building from Source

See Building Lean (documentation source: doc/make/index.md).