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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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Kim Morrison 20acc72a29
feat: ensure Fin.foldl/r are semireducible (#6207) 
This PR ensures the `Fin.foldl` and `Fin.foldr` are semireducible.
Without this the defeq `example (f : Fin 3 → ℕ) : List.ofFn f = [f 0, f
1, f 2] := rfl` was failing.

Thanks @eric-wieser and @digama0 for diagnosing on
[Zulip](https://leanprover.zulipchat.com/#narrow/channel/287929-mathlib4/topic/.60List.2EfinRange.60.20in.20Mathlib/near/484191814).
2024-11-25 03:21:36 +00:00
.github chore: add changelog-* labels via comment (#6147) 2024-11-21 07:23:13 +00:00
doc feat: upstream definition of Vector from Batteries (#6197) 2024-11-24 23:01:32 +00:00
images
nix feat: add date and time functionality (#4904) 2024-11-14 14:04:19 +00:00
releases_drafts chore: release notes for 4.12.0 (#5549) 2024-10-01 04:07:28 +00:00
script fix: do not link statically against pthread/dl/rt (#5966) 2024-11-05 18:20:42 +00:00
src feat: ensure Fin.foldl/r are semireducible (#6207) 2024-11-25 03:21:36 +00:00
stage0 chore: update stage0 2024-11-22 18:29:01 +00:00
tests feat: ensure Fin.foldl/r are semireducible (#6207) 2024-11-25 03:21:36 +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
.ignore chore: ignore stage0/ (for rg etc.) 2022-03-18 15:28:20 +01:00
CMakeLists.txt feat: import LeanSAT's tactic frontends 2024-08-28 18:14:39 +02:00
CMakePresets.json chore: modernize build instructions (#4032) 2024-05-23 10:55:07 +00:00
CODEOWNERS chore: @hargoniX Std.Sat codeowner, fix Kim's user name (#5765) 2024-10-18 11:13:28 +00:00
CONTRIBUTING.md doc: triage 2024-07-26 18:24:06 +02:00
debug.log feat: lake: Reservoir-related configuration for packages (#4770) 2024-09-02 16:07:08 +00:00
flake.lock feat: ship cadical (#4325) 2024-08-23 09:13:27 +00:00
flake.nix chore: CI: build 64-bit platforms consistently with GMP 2024-11-01 22:48:49 +11:00
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 doc: mention build doc source location (#4045) 2024-05-01 22:42:54 +00:00
RELEASES.md chore: port release notes for v4.13.0 to master (#5947) 2024-11-05 01:34:52 +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).