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Paul Reichert c86f82161a feat: upstream List/Array/Vector lemmas from human-eval-lean (#12405) 
This PR adds several useful lemmas for `List`, `Array` and `Vector`
whenever they were missing, improving API coverage and consistency among
these types.
- `size_singleton`/`sum_singleton`/`sum_push`
-
`foldlM_toArray`/`foldlM_toList`/`foldl_toArray`/`foldl_toList`/`foldrM_toArray`/`foldrM_toList`/`foldr_toList`
- `toArray_toList`
- `foldl_eq_apply_foldr`/`foldr_eq_apply_foldl`, `foldr_eq_foldl`:
relates `foldl` and `foldr` for associative operations with identity
- `sum_eq_foldl`: relates sum to `foldl` for associative operations with
identity
- `Perm.pairwise_iff`/`Perm.pairwise`: pairwise properties are preserved
under permutations of arrays
2026-02-25 12:50:31 +00:00
.claude
chore: CLAUDE.md: restrict build parallelism (#12624)
2026-02-22 14:35:05 +00:00
.github
feat: lazy initialization of closed terms (#12044)
2026-02-20 08:45:15 +00:00
doc
chore: relative lean-toolchains (#12652)
2026-02-25 10:23:35 +00:00
images
chore(CMakeLists.txt): move Lean logo to make sure we can test leanemacs without installing Lean
2015-01-31 17:38:49 -08:00
releases_drafts
chore: remove stale release draft notes (#12518)
2026-02-17 19:56:23 +00:00
script
fix: update-stage0 under the Lake cache
2026-02-25 11:40:02 +01:00
src
feat: upstream List/Array/Vector lemmas from human-eval-lean (#12405)
2026-02-25 12:50:31 +00:00
stage0
chore: update stage0
2026-02-25 11:40:02 +01:00
tests
feat: upstream List/Array/Vector lemmas from human-eval-lean (#12405)
2026-02-25 12:50:31 +00:00
.gitattributes
doc: grove: update and add String data (#11551)
2025-12-08 16:49:37 +00:00
.gitignore
chore: enable leanprover/skills plugin for Claude Code (#12609)
2026-02-20 12:35:32 +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
chore: fix repeated cmake calls breaking the build (#12598)
2026-02-19 16:23:47 +00:00
CMakePresets.json
chore: CI: enable leak sanitizer again (#11339)
2025-11-27 18:32:35 +00:00
CODEOWNERS
chore: make @hargoniX code owner of the compiler (#10732)
2025-10-10 04:43:38 +00:00
CONTRIBUTING.md
doc: triage
2024-07-26 18:24:06 +02:00
flake.lock
chore: update to c++20 (#12117)
2026-02-11 01:17:40 +00:00
flake.nix
chore: update to c++20 (#12117)
2026-02-11 01:17:40 +00:00
lean-toolchain
chore: relative lean-toolchains (#12652)
2026-02-25 10:23:35 +00:00
lean.code-workspace
chore: relative lean-toolchains (#12652)
2026-02-25 10:23:35 +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: update URLs that are currently pointing to redirects (#10397)
2025-09-17 15:50:07 +00:00
RELEASES.md
chore: updates to release_checklist.md (#7817)
2025-04-04 03:45:36 +00:00

README.md

This is the repository for Lean 4.

About

Installation

See Install Lean.

Contributing

Please read our Contribution Guidelines first.

Building from Source

See Building Lean.

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