Skip to content
@leanprover-community

leanprover-community

Community-built infrastructure for the Lean (https://leanprover.github.io/) theorem prover

Pinned Loading

  1. mathlib4 mathlib4 Public

    The math library of Lean 4

    Lean 4.2k 1.7k

  2. mathematics_in_lean mathematics_in_lean Public

    The user home repository for the Mathematics in Lean tutorial.

    HTML 598 423

  3. lean-liquid lean-liquid Public

    💧 Liquid Tensor Experiment

    Lean 253 21

  4. batteries batteries Public

    The "batteries included" extended library for the Lean programming language and theorem prover

    Lean 419 165

  5. aesop aesop Public

    White-box automation for Lean 4

    Lean 406 59

  6. ProofWidgets4 ProofWidgets4 Public

    Helper toolkit for creating your own Lean 4 UserWidgets

    Lean 227 49

Repositories

Showing 10 of 105 repositories
  • blog Public

    Source for the community blog

    leanprover-community/blog's past year of commit activity
    Python 11 32 4 3 Updated Sep 29, 2026
  • mathlib4-nightly-testing Public Forked from leanprover-community/mathlib4

    nightly-testing and lean-pr-testing branches of Mathlib

    leanprover-community/mathlib4-nightly-testing's past year of commit activity
    Lean 3 Apache-2.0 1,733 0 13 Updated Sep 29, 2026
  • leanprover-community/crossref-exports's past year of commit activity
    JavaScript 0 2 0 0 Updated Sep 29, 2026
  • mathlib4 Public

    The math library of Lean 4

    leanprover-community/mathlib4's past year of commit activity
    Lean 4,200 Apache-2.0 1,719 289 (16 issues need help) 3,172 Updated Sep 29, 2026
  • batteries Public

    The "batteries included" extended library for the Lean programming language and theorem prover

    leanprover-community/batteries's past year of commit activity
    Lean 419 Apache-2.0 165 27 (2 issues need help) 68 Updated Sep 28, 2026
  • leanprover-community/mathlib-landing's past year of commit activity
    CSS 0 MIT 3 0 3 Updated Sep 28, 2026
  • physlib Public

    A project to digitalise results from physics into Lean.

    leanprover-community/physlib's past year of commit activity
    Lean 761 Apache-2.0 193 54 (15 issues need help) 45 Updated Sep 28, 2026
  • downstream-reports Public

    Reporting workflows and dashboards using the hopscotch tool

    leanprover-community/downstream-reports's past year of commit activity
    Python 4 3 0 3 Updated Sep 28, 2026
  • sphere-eversion Public

    Formalization of the existence of sphere eversions

    leanprover-community/sphere-eversion's past year of commit activity
    Lean 49 Apache-2.0 17 0 1 Updated Sep 28, 2026
  • mathlib-phrasebook Public

    How to say it using Mathlib.

    leanprover-community/mathlib-phrasebook's past year of commit activity
    Lean 20 10 1 5 Updated Sep 28, 2026