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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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Leonardo de Moura 47c09ac36c chore: the previous commit exposed an issue with simp 
`simp` was previously swallowing runtime exceptions and masking an
issue with this example.

`runT` is defined by well-founded recursion, but reducing the ground
term `runT x` takes a long time when `decide := true`.

Remark PR #2722 changes the `decide` default value to `false`.

When `decide := true`, we should probably have better diagnostics /
error messages for this kind of situation.
2023-11-03 05:56:59 -07:00
.github chore: more adjustments to new CI scripts (#2811) 2023-11-03 02:34:23 +00:00
.vscode doc: fix some syntax and link in the docs, and more 2021-10-10 11:36:43 +02:00
doc doc: fix a link in development documentation #2780 2023-10-30 10:58:25 +11:00
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 feat: use nightly-testing-YYYY-MM-DD branches on Mathlib for testing PRs, and be more conservative about launching Mathlib CI (#2798) 2023-11-02 12:07:06 +11:00
src fix: fixes #2775 2023-11-03 05:56:59 -07:00
stage0 chore: update stage0 2023-11-02 23:21:47 +01:00
tests chore: the previous commit exposed an issue with simp 2023-11-03 05:56:59 -07:00
.gitattributes chore: Do not hide stage0/src/stdlib_flags.h from diffs 2023-09-13 19:29:25 +02:00
.gitignore chore: .gitignore fixes 2023-08-02 04:03:56 -04:00
.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
CONTRIBUTING.md doc: Update contribution guides (#2624) 2023-10-25 13:05:55 +11:00
default.nix
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 chore: change simp default to decide := false (#2722) 2023-11-02 10:06:38 +11:00
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.