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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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Joachim Breitner 754bab442a
feat: omega to abstract its own proofs (#5998) 
This PR lets `omega` always abstract its own proofs into an auxiliary
definition. The size of the olean of Vector.Extract goes down from 20MB
to 5MB with this, overall stdlib olean size and build instruction count
go down 5%.

Needs #7362.
2025-03-10 12:39:30 +00:00
.github chore: enforce awaiting-mathlib label (#7342) 2025-03-10 09:27:43 +00:00
doc chore: post-#7100 cleanup (#7196) 2025-02-23 22:46:22 +00:00
images
nix fix: Windows stage0 linking (#6622) 2025-01-14 09:09:50 +01:00
releases chore: copy v4.17.0 release notes from releases/v4.17.0 branch (#7325) 2025-03-04 11:24:51 +00:00
releases_drafts chore: cherry-pick release notes from releases/v4.15.0 and releases/v4.16.0 (#6520) 2025-01-04 01:25:33 +00:00
script chore: release_notes.py: report on all commit types (#7258) 2025-02-28 17:39:18 +00:00
src feat: omega to abstract its own proofs (#5998) 2025-03-10 12:39:30 +00:00
stage0 chore: update stage0 2025-03-07 15:15:36 +00:00
tests feat: omega to abstract its own proofs (#5998) 2025-03-10 12:39:30 +00:00
.gitattributes chore: Do not hide stage0/src/stdlib_flags.h from diffs 2023-09-13 19:29:25 +02:00
.gitignore feat: support Lake for building Lean core oleans (#3886) 2024-06-13 16:18:24 +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 feat: upgrade cadical to 2.1.2 (#7347) 2025-03-05 17:58:58 +00:00
CMakePresets.json fix: prevent Task.get deadlocks from threadpool starvation (#6758) 2025-01-23 23:01:39 +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 feat: upgrade cadical to 2.1.2 (#7347) 2025-03-05 17:58:58 +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: split RELEASES.md into releases/ folder (#6918) 2025-02-03 11:04:09 +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 (documentation source: doc/make/index.md).