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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 f1eaebba31 fix(library/compiler/csimp): bug at float_cases_on 
The scope of the expr2ctor cache updates was incorrect.
This bug affects code of the form
```
let x := C.cases_on y ...; K[x]
```
when we try to float the `cases_on` application, and the continuation
`K[x]` contains another `cases_on` application with major `y`.
The new test exposes the bug.
This commit also fixes the case where the continuation `K[x]` projects `y`.

Fixes #26
2019-08-05 13:23:27 -07:00
.github chore(.github/CONTRIBUTING): fix typos and URLs 2017-10-30 16:23:22 +01:00
bin feat(CMakeLists): Add option to link in LLVM. 2019-07-31 18:21:49 -07:00
doc chore(*): remove obsolete leanpkg.path files 2019-07-25 17:46:53 -07:00
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
lean4-mode chore(library/init, frontends/lean): ensure old and new parser use the same command for initializing quotient module 2019-07-31 17:07:05 -07:00
library feat(library/init/lean/localcontext): add isSubPrefixOf 2019-08-05 09:44:20 -07:00
script chore(azure-pipelines): Ensure build is with LLVM 2019-07-31 18:21:49 -07:00
src fix(library/compiler/csimp): bug at float_cases_on 2019-08-05 13:23:27 -07:00
tests fix(library/compiler/csimp): bug at float_cases_on 2019-08-05 13:23:27 -07:00
tmp/new-frontend chore(library/init/lean): disable new frontend for now 2019-06-05 15:26:43 -07:00
.appveyor.yml chore(.appveyor,.travis): disable leanpkg registry tests 2018-04-12 18:32:20 +02:00
.clang-format feat(library/vm/process): add basic process support 2017-03-28 18:08:06 -07:00
.codecov.yml fix(.codecov.yml): do not fail github ci if coverage drops by 0.01% 2017-06-25 10:35:02 +02:00
.gitattributes chore(.gitattributes): use union merge strategy for doc/changes.md 2017-12-11 12:49:10 +01:00
.gitignore feat(default.nix,tests/playground): Nix-powered benchmark suite 2019-05-15 13:25:29 +02:00
.travis.yml chore(.travis.yml): trigger AppVeyor nightly build from Travis 2018-04-13 16:44:27 +02:00
azure-pipelines.yml chore(azure-pipelines.yml): retry Nix install, move package setup to Setup phase 2019-08-02 11:15:44 +02:00
default.nix chore(default.nix): factor out derivation 2019-07-05 11:24:15 +02:00
derivation.nix feat(CMakeLists): Add option to link in LLVM. 2019-07-31 18:21:49 -07:00
LICENSE Add LICENSE file 2013-07-15 18:55:48 -07:00
README.md chore(README): update 2019-04-24 11:40:46 -07:00
shell.nix chore(shell.nix): use clang 7 by default (latest release in stable Nix) 2019-08-02 10:17:29 +02:00

README.md

We are currently developing Lean 4. Lean 3 is still the latest official release. This repository contains work in progress.

Important. Unless you are one of our collaborators

  • We strongly suggest you use Lean 3.
  • Pull requests are not welcome.
  • New issues are not welcome, and will be closed without any feedback.