Lean 4 fork for HoTT-compatible kernel extensions (Path types, transport, HITs). Maintained against upstream leanprover/lean4.
so far, our reference manual did not mention these at all, this takes the discussion of recursive definition out of the “equation compiler” section, put it into its own section, and expands it a bit. This is more a MVP doc change to at least mention the features briefly, and not the most polished and thought through didactic exposition. But it provides a start for more improvements. --------- Co-authored-by: Arthur Adjedj <arthur.adjedj@gmail.com> Co-authored-by: Scott Morrison <scott.morrison@gmail.com> Co-authored-by: David Thrane Christiansen <david@davidchristiansen.dk> |
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This is the repository for Lean 4.
We provide nightly releases and have just begun regular stable point releases.
About
- Quickstart
- Walkthrough installation video
- Quick tour video
- Homepage
- Theorem Proving Tutorial
- Functional Programming in Lean
- Manual
- Release notes starting at v4.0.0-m3
- Examples
- External Contribution Guidelines
- FAQ
Installation
See Setting Up Lean.
Contributing
Please read our Contribution Guidelines first.
Building from Source
See Building Lean.