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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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ecyrbe 6008c0d523
feat: add min and max list operations (#11060) 
This PR add list `min` and `max` operations to complement `min?` and
`max?` ones in the same vain as `head?` and `head`.

It was dicussed here in
[zulip](https://leanprover.zulipchat.com/#narrow/channel/217875-Is-there-code-for-X.3F/topic/maximum.20of.20a.20list.20known.20to.20be.20nonempty/with/548296389)

it also add small unit tests for `min` , `max`, `min?` and `max?`
2025-11-10 09:56:59 +00:00
.claude chore: basic dev instructions for Claude (#11074) 2025-11-04 04:07:53 +00:00
.github chore: adjust pr-title check to enforce capitalization (#11033) 2025-10-31 07:23:25 +00:00
doc feat: String.toList_map (#11021) 2025-11-01 13:54:39 +00:00
images
releases_drafts chore: updates to release_checklist.md (#7817) 2025-04-04 03:45:36 +00:00
script chore: further shake improvements (#10947) 2025-10-26 11:27:19 +00:00
src feat: add min and max list operations (#11060) 2025-11-10 09:56:59 +00:00
stage0 chore: update stage0 2025-11-03 23:26:40 +11:00
tests feat: link docstrings for diamond inheritance (#11122) 2025-11-10 01:05:01 +00:00
.gitattributes fix: mark doc parser tests as eol=lf (#10344) 2025-09-11 11:19:01 +00:00
.gitignore chore: add .vscode/settings.json to .gitignore (#10795) 2025-10-16 07:08:41 +00:00
.gitpod.Dockerfile
.gitpod.yml
.ignore
CMakeLists.txt chore: make USE_LAKE the default (#10016) 2025-08-21 11:43:25 +00:00
CMakePresets.json chore: fix reldebug preset (#8051) 2025-04-23 10:05:11 +00:00
CODEOWNERS chore: make @hargoniX code owner of the compiler (#10732) 2025-10-10 04:43:38 +00:00
CONTRIBUTING.md
flake.lock chore: robustify Nix shell (#8141) 2025-04-28 15:08:32 +00:00
flake.nix chore: use lld if available for building core (#10694) 2025-10-08 16:47:30 +00:00
lean-toolchain
lean.code-workspace chore: lean.code-workspace: fix terminal cwd (#10802) 2025-10-16 20:19:12 +00:00
LICENSE
LICENSES
README.md doc: update URLs that are currently pointing to redirects (#10397) 2025-09-17 15:50:07 +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 Install Lean.

Contributing

Please read our Contribution Guidelines first.

Building from Source

See Building Lean.