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Formalize P104 transport transcript capacity in Lean #2178

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Merged
Mister-Meeseeks merged 1 commit into from
Oct 15, 2026
Merged

Formalize P104 transport transcript capacity in Lean #2178

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47 changes: 47 additions & 0 deletions .github/workflows/lean-transport-cut.yml
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name: Lean transport cut
on:
pull_request:
paths:
- 'research/lean-transport-cut/**'
- 'research/p104-native-channel/inputs/LOWRANK-WITNESS.json'
- '.github/workflows/lean-transport-cut.yml'
push:
branches: [main]
paths:
- 'research/lean-transport-cut/**'
- 'research/p104-native-channel/inputs/LOWRANK-WITNESS.json'
- '.github/workflows/lean-transport-cut.yml'
workflow_dispatch:
permissions:
contents: read
jobs:
formal:
runs-on: ubuntu-24.04
timeout-minutes: 20
env:
LEAN_NUM_THREADS: '4'
PYTHONDONTWRITEBYTECODE: '1'
steps:
- uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
with:
persist-credentials: false
- uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97
with:
python-version: '3.12'
- name: Checksum-pinned official Lean
shell: bash
run: |
curl --fail --location --retry 3 https://github.com/leanprover/lean4/releases/download/v4.21.0/lean-4.21.0-linux.tar.zst -o "$RUNNER_TEMP/transport-lean.tar.zst"
echo "455c6df09d5bd54d2a51b137939c47e2dda816d512ac789c4b3642c9bf98bde8 $RUNNER_TEMP/transport-lean.tar.zst" | sha256sum --check
tar --zstd -xf "$RUNNER_TEMP/transport-lean.tar.zst" -C "$RUNNER_TEMP"
echo "$RUNNER_TEMP/lean-4.21.0-linux/bin" >> "$GITHUB_PATH"
- name: Provision pinned Mathlib modules
working-directory: research/lean-transport-cut
run: lake exe cache get Mathlib.LinearAlgebra.Dimension.Constructions Mathlib.LinearAlgebra.FiniteDimensional.Basic
- name: Source and artifact checks
run: |
python -I -B research/lean-transport-cut/verify.py
python -I -B research/lean-transport-cut/test_verify.py
- name: Fresh kernel proofs and rejecting formal controls
run: python -I -B research/lean-transport-cut/check_lean.py --lake lake
- run: git diff --exit-code
3 changes: 3 additions & 0 deletions research/lean-transport-cut/.gitignore
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.lake/
*.olean
*.ilean
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