Lean 4 fork for HoTT-compatible kernel extensions (Path types, transport, HITs). Maintained against upstream leanprover/lean4.
@kha From now on, let's use `throwUnexpectedSyntax` instead of `unreachable!` at `match_syntax`. The `unreachable!` makes sense when the syntax was created by our parser, but ill-formed syntax may be created by macros, and we have no control on how users will create the resulting syntax object. |
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| lean4-mode | ||
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| stage0 | ||
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| tmp | ||
| .clang-format | ||
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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.