Lean 4 fork for HoTT-compatible kernel extensions (Path types, transport, HITs). Maintained against upstream leanprover/lean4.
Find a file
Joachim Breitner 86579c8e24
fix: generate SizeOf spec theorems for inductives with private constructors (#13374)
This PR fixes `SizeOf` instance generation for public inductive types
that have
private constructors. The spec theorem proof construction needs to
unfold
`_sizeOf` helper functions which may not be exposed in the public view,
so
we use `withoutExporting` for the proof construction and type check.

Closes #13373

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
2026-04-12 12:00:51 +00:00
.claude
.github chore: CI: ignore compile_bench/channel in Linux Reldebug 2026-04-11 13:16:12 +02:00
.vscode
doc
images
releases_drafts
script
src fix: generate SizeOf spec theorems for inductives with private constructors (#13374) 2026-04-12 12:00:51 +00:00
stage0
tests fix: generate SizeOf spec theorems for inductives with private constructors (#13374) 2026-04-12 12:00:51 +00:00
.gitattributes
.gitignore
.gitpod.Dockerfile
.gitpod.yml
.ignore
CMakeLists.txt
CMakePresets.json
CODEOWNERS
CONTRIBUTING.md
flake.lock
flake.nix
lean-toolchain
LICENSE
LICENSES
README.md
RELEASES.md

This is the repository for Lean 4.

About

Installation

See Install Lean.

Contributing

Please read our Contribution Guidelines first.

Building from Source

See Building Lean.