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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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François G. Dorais 43da17aa7f
feat: add forall_fin_zero and exists_fin_zero (#10627) 
This PR adds lemmas `forall_fin_zero` and `exists_fin_zero`. It also
marks lemmas `forall_fin_zero`, `forall_fin_one`, `forall_fin_two`,
`exists_fin_zero`, `exists_fin_one`, `exists_fin_two` with `simp`
attribute.

Closes #10629
2025-10-07 18:50:23 +00:00
.github chore: CI: bump softprops/action-gh-release from 2.3.2 to 2.3.3 (#10646) 2025-10-07 11:42:02 +00:00
doc test: improve language server test coverage (#10574) 2025-09-30 11:15:03 +00:00
images
releases_drafts chore: updates to release_checklist.md (#7817) 2025-04-04 03:45:36 +00:00
script chore: Modulize: put section below first module doc (#10693) 2025-10-07 09:10:42 +00:00
src feat: add forall_fin_zero and exists_fin_zero (#10627) 2025-10-07 18:50:23 +00:00
stage0 chore: update stage0 2025-10-07 13:47:20 +00:00
tests feat: add coinductive command to specify coinductive predicates (#10333) 2025-10-07 18:04:51 +00:00
.gitattributes fix: mark doc parser tests as eol=lf (#10344) 2025-09-11 11:19:01 +00:00
.gitignore feat: further release automation (#9092) 2025-06-30 05:44:10 +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: make USE_LAKE the default (#10016) 2025-08-21 11:43:25 +00:00
CMakePresets.json chore: fix reldebug preset (#8051) 2025-04-23 10:05:11 +00:00
CODEOWNERS chore: make datokrat code owner for iterators, ranges and slices (#9667) 2025-08-01 17:34:43 +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: remove broken Nix build (#9910) 2025-08-14 08:31:39 +00:00
lean-toolchain doc: VS Code dev setup (#2961) 2023-11-30 08:35:03 +00:00
lean.code-workspace feat: scripts/Modulize.lean (#10460) 2025-09-24 11:40:17 +00:00
LICENSE
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.