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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 25fd5d0a9a fix: ambiguity at match 
```lean
match x : t with
| ...
```

Two possible intepretations for `x : t`:

1- The discriminant `t` where `x` is the name for the equality proofs `t = ...` in each alternative.

2- The discriminant `x` with a expected type `t` (aka motive) for the match.

This commit resolves the ambiguity by forcing no space before `:` in
the first interpretation.

cc @Kha
2020-08-10 13:47:09 -07:00
.github chore: de-Nix-ify macOS binary 2020-06-10 21:30:38 +02:00
doc feat: leanmake: auto-detect PKG 2020-06-13 15:22:01 +02:00
images
lean4-mode chore: add new_frontend 2020-06-17 21:28:03 -07:00
nix chore: update nixpkgs, changing back to LLVM 10 2020-07-08 12:14:49 +02:00
script chore: update CI 2020-06-10 21:30:38 +02:00
src fix: ambiguity at match 2020-08-10 13:47:09 -07:00
stage0 chore: update stage0 2020-08-10 11:16:31 -07:00
tests chore: fix test 2020-08-10 11:19:05 -07:00
tmp feat: add caseValues tactic 2020-08-06 15:37:00 -07:00
.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 chore: move bin/ and .oleans into build directory 2020-05-14 14:47:54 +02:00
CMakeLists.txt chore: bump minimum cmake version 2020-06-10 21:30:38 +02:00
default.nix chore: add separate "Linux release" CI job using Nix channel with older glibc for compatibility 2020-06-10 21:30:38 +02:00
LICENSE
README.md chore(README): update 2019-04-24 11:40:46 -07:00
shell.nix chore: update temci 2020-07-21 18:30:22 +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.