Lean 4 fork for HoTT-compatible kernel extensions (Path types, transport, HITs). Maintained against upstream leanprover/lean4.
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Sebastian Graf 61ee83f73b
feat: Upstream MPL.SPred.* from mpl (#8745)
This PR adds a logic of stateful predicates `SPred` to `Std.Do` in order
to support reasoning about monadic programs. It comes with a dedicated
proof mode the tactics of which are accessible by importing
`Std.Tactic.Do`.

Co-authored-by: Sebastian Graf <sg@lean-fro.org>
2025-06-20 15:13:40 +00:00
.github chore: CI: temporarily disable .olean cache 2025-06-18 11:12:56 +09:00
doc chore: improvements to release checklist and scripts (#8586) 2025-06-10 22:56:06 +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 chore: remove old LEAN_AUTO_THREAD_FINALIZATION workaround (#8885) 2025-06-20 08:52:17 +00:00
src feat: Upstream MPL.SPred.* from mpl (#8745) 2025-06-20 15:13:40 +00:00
stage0 chore: update stage0 2025-06-20 17:29:10 +02:00
tests feat: Upstream MPL.SPred.* from mpl (#8745) 2025-06-20 15:13:40 +00:00
.gitattributes
.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
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

This is the repository for Lean 4.

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See Setting Up Lean.

Contributing

Please read our Contribution Guidelines first.

Building from Source

See Building Lean.