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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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Kyle Miller c4bfe25d18
feat: make rcases use the custom Nat eliminator (#3747) 
As a special case, makes the `rcases` machinery use `Nat.casesAuxOn` so
that goal states see `0` and `n + 1` rather than `Nat.zero` and
`Nat.succ n`. This is a followup to enabling custom eliminators for
`cases` and `induction`.

This doesn't use custom eliminators in general since `rcases` uses
`Lean.MVarId.cases`, which is completely different from what `cases` and
`induction` use.
2024-04-13 16:55:48 +00:00
.github chore: when setting up Mathlib CI, make sure nightly-with-mathlib branch has been fetched (#3834) 2024-04-05 00:40:50 +00:00
doc chore: update-stage0-commit cmake target (#3692) 2024-04-04 13:35:53 +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
nix chore: test results as job summary (#3715) 2024-03-27 10:14:33 +00:00
script fix: C++ exceptions across shared libraries on Linux (#3500) 2024-02-26 10:35:11 +00:00
src feat: make rcases use the custom Nat eliminator (#3747) 2024-04-13 16:55:48 +00:00
stage0 chore: update stage0 2024-04-13 09:49:19 +00:00
tests feat: make rcases use the custom Nat eliminator (#3747) 2024-04-13 16:55:48 +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 chore: update-stage0-commit cmake target (#3692) 2024-04-04 13:35:53 +00:00
CODEOWNERS chore: rename fields of Subarray to follow Lean conventions (#3851) 2024-04-13 07:52:45 +00:00
CONTRIBUTING.md doc: Adjust contributor's docs to squash merging (#2927) 2023-11-21 10:13:43 +00:00
flake.lock chore: test results as job summary (#3715) 2024-03-27 10:14:33 +00:00
flake.nix chore: replace shell.nix with a devShell in flake.nix (#3717) 2024-03-21 13:24:01 +00:00
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 chore: add GMP license for now 2021-11-18 09:42:35 +01:00
README.md doc: remove nightly and other outdated references (#3027) 2024-01-25 13:53:36 +00:00
RELEASES.md doc: rephrase a couple RELEASES entries (#3900) 2024-04-13 16:54:57 +00:00

README.md

This is the repository for Lean 4.

About

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See Setting Up Lean.

Contributing

Please read our Contribution Guidelines first.

Building from Source

See Building Lean.