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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 193d4dc9f5 feat: optimized deriving DecidableEq for enumeration types 
The proof term is liner on the number of constructors, but type
checking is not linear because the reduction engine in the kernel is
not efficient.
2021-09-08 16:21:32 -07:00
.github fix: sanitized build 2021-09-08 17:24:31 +02:00
.vscode feat: FromToJson for recursive inductives 2021-07-24 10:47:38 +02:00
doc doc: small fixes 2021-09-07 19:19:58 -07:00
images
lean4-mode doc: new way to install lean4-mode 2021-09-07 16:23:18 +02:00
nix chore: use -Bsymbolic in favor of -Bsymbolic-functions, which Zig doesn't like 2021-09-08 17:24:31 +02:00
script Revert "Revert "feat: reintroduce libleanshared, link lean & leanpkg against it"" 2021-08-20 09:42:05 -07:00
src feat: optimized deriving DecidableEq for enumeration types 2021-09-08 16:21:32 -07:00
stage0 fix: stdlib_flags.h 2021-09-08 11:34:31 +02:00
tests feat: optimized deriving DecidableEq for enumeration types 2021-09-08 16:21:32 -07:00
tmp chore: remove tactic framework dependency 2020-11-10 14:32:58 -08:00
.gitattributes chore: restore marking stage0/ as binary files, which we lost at some point 2020-08-14 11:12:13 +02:00
.gitignore chore: auto-insert newlines 2021-07-05 19:42:01 +02:00
CMakeLists.txt Revert "Revert "feat: reintroduce libleanshared, link lean & leanpkg against it"" 2021-08-20 09:42:05 -07:00
CONTRIBUTING.md doc: more changes 2021-05-13 16:11:57 -07:00
default.nix doc: setup 2021-01-03 13:21:58 +01:00
flake.lock chore: Nix: update inputs 2021-08-05 15:50:03 +02:00
flake.nix fix: sanitized build 2021-09-08 17:24:31 +02:00
LICENSE
README.md chore: add link to "Theorem Proving in Lean 4" tutorial 2021-09-01 10:44:43 -07:00
shell.nix Revert "Revert "feat: reintroduce libleanshared, link lean & leanpkg against it"" 2021-08-20 09:42:05 -07:00

README.md

This is the repository for Lean 4, which is currently being released as milestone releases towards a first stable release. Lean 3 is still the latest stable release.

About

Installation

See Setting Up Lean.

Contributing

Please read our Contribution Guidelines first.

Building from Source

See Building Lean.