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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 260eaebf4e
fix: PackMutual: Eta-Expand as needed (#2902) 
The `packMutual` code ought to reliably replace all recursive calls to
the functions in `preDefs`, even when they are under- or over-applied.
Therefore eta-expand if need rsp. keep extra arguments around.

Needs a tweak to `Meta.transform` to avoid mistaking the `f` in
`f x1 x2` as a zero-arity application.

Includes a test case.

This fixes #2628 and #2883.
2023-11-22 14:25:56 +00:00
.github chore: CI: pin macos-11 to work around 12.7.1 breakage (#2946) 2023-11-22 13:17:27 +00:00
.vscode doc: fix some syntax and link in the docs, and more 2021-10-10 11:36:43 +02:00
doc doc: Adjust contributor's docs to squash merging (#2927) 2023-11-21 10:13:43 +00:00
images
nix fix: If src is a dir, assume the lean file has the full path (#2465) 2023-08-28 14:45:45 +02:00
script fix: most-recently-nightly-tag does not assume a 'nightly' remote (#2947) 2023-11-22 10:56:39 +00:00
src fix: PackMutual: Eta-Expand as needed (#2902) 2023-11-22 14:25:56 +00:00
stage0 chore: update stage0 2023-11-21 18:59:22 +01:00
tests fix: PackMutual: Eta-Expand as needed (#2902) 2023-11-22 14:25:56 +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 tests to account for .lake 2023-11-13 20:31:24 -05:00
.ignore chore: ignore stage0/ (for rg etc.) 2022-03-18 15:28:20 +01:00
CMakeLists.txt feat: Web Assembly Build (#2599) 2023-10-04 09:04:20 +02:00
CODEOWNERS chore: more code owners 2023-11-20 09:30:18 +01:00
CONTRIBUTING.md doc: Adjust contributor's docs to squash merging (#2927) 2023-11-21 10:13:43 +00:00
default.nix doc: setup 2021-01-03 13:21:58 +01:00
flake.lock chore: Nix bump to LLVM 15 2023-07-28 10:56:54 +02:00
flake.nix chore: Nix: use strings instead of URL literals (#2172) 2023-03-28 10:10:24 +02:00
LICENSE chore: remove LICENSE header that confused GitHub 2021-11-18 09:42:35 +01:00
LICENSES chore: add GMP license for now 2021-11-18 09:42:35 +01:00
README.md doc: Update contribution guides (#2624) 2023-10-25 13:05:55 +11:00
RELEASES.md doc: release notes for recent lake fixes 2023-11-20 15:51:31 +00:00
shell.nix chore: Nix bump to LLVM 15 2023-07-28 10:56:54 +02:00

README.md

This is the repository for Lean 4.

We provide nightly releases and have just begun regular stable point releases.

About

Installation

See Setting Up Lean.

Contributing

Please read our Contribution Guidelines first.

Building from Source

See Building Lean.