This is Reservoir, the registry for all Lean packages and documentation.

Reservoir indexes, builds, and tests packages within the Lean and Lake ecosystem. If you wish to see your package here, ensure that it meets the Reservoir inclusion criteria.

Most Popular

  1. Commit 5ce203e builds on the recent leanprover/lean4:v4.34.0-rc2
    mathlib
    The math library of Lean 4
  2. Commit 2351317 builds on the old leanprover/lean4:v4.29.0-rc8
    Analysis
    A Lean companion to Analysis I
  3. Commit 4c0618b fails to build on leanprover/lean4:v4.34.0-rc1
    ryu
    Converts floating point numbers to decimal strings
  4. Commit 2458f73 builds on the recent leanprover/lean4:v4.34.0-rc1 after lake update
    LeanCopilot
    LLMs as Copilots for Theorem Proving in Lean
  5. Commit 94769d6 builds on the recent leanprover/lean4:v4.33.1
    formal_conjectures
    A collection of formalized statements of conjectures in Lean.
  6. Commit 79af205 builds on the recent leanprover/lean4:v4.34.0-rc2
    FLT
    Ongoing Lean formalisation of the proof of Fermat's Last Theorem
  7. Commit f6d7fe3 builds on the recent leanprover/lean4:v4.33.0
    Physlib
    A project to digitalise results from physics into Lean.
  8. Commit 188072b builds on the recent leanprover/lean4:v4.34.0-rc2
    cslib
    The Lean Computer Science Library (CSLib)
  9. Commit dd6d752 builds on the old leanprover/lean4:v4.30.0
    mil
    The user home repository for the Mathematics in Lean tutorial.
  10. Commit e5a88a1 builds on the old leanprover/lean4:v4.29.1
    equational_theories
    A project to map out the relations between different equational theories of Magmas.

Newly Created

  1. Commit 61c3f56 builds on the recent leanprover/lean4:v4.33.1
    LeanFrontier
    A Lean 4 library of machine-generated, kernel-verified mathematics.
  2. Commit 1ddea92 builds on the recent leanprover/lean4:v4.34.0-rc1
    sendov
  3. Commit 0d2b3b5 builds on the recent leanprover/lean4:v4.32.1
    gonzalgo
    Write out the declaration graph of a Lean environment, statement dependencies kept apart from proof dependencies, so you can find what a theorem actually rests on.
  4. Commit 4d305b9 builds on the recent leanprover/lean4:v4.32.1
    lean-tee
    Lean-specified zkTEE: measured guest execution, hashed receipts, lean-grpc APIs
  5. Commit 0887548 builds on the recent leanprover/lean4:v4.32.1
    lean-grpc
    Pure Lean 4 gRPC stack (HTTP/2 + HPACK + gRPC) on Std.Async
  6. Commit f53f842 builds on the recent leanprover/lean4:v4.32.1
    SumDiffProof
  7. Commit 07ed6f9 builds on the recent leanprover/lean4:v4.33.0-rc1
    AutoGeneralization
    Kernel-checked theorem generalization for Lean
  8. Commit a4ca5ad fails to build on leanprover/lean4:v4.32.1
    Calculus_21
    An Universe for Mitar —— Classical Calculus
  9. Commit f8a851a builds on the recent leanprover/lean4:v4.32.2
    proofnet-ir
    Verified proof-geometry IR experiments for AI-guided theorem proving in Lean 4
  10. Commit c789440 builds on the recent leanprover/lean4:v4.33.0-rc1
    descriptive-complexity
    Descriptive complexity in Lean 4: machine-model-free NP-completeness via first-order reductions, and the polynomial hierarchy via second-order alternation

Recently Updated

  1. Commit 6622b51 builds on the recent leanprover/lean4:v4.34.0-rc1
    TauCeti
    An AIs-welcome Lean library downstream of Mathlib: AI handle the implementation and review, humans write the roadmaps and review rubrics
  2. Commit 0aa1e08 builds on the recent leanprover/lean4:v4.33.1
    linglib
    A Lean 4 library for formal linguistics: semantics, syntax, pragmatics, morphology, phonology, and processing — formalized across competing frameworks for high interconnection density.
  3. Commit 3558cf2 builds on the recent leanprover/lean4:v4.34.0-rc2
    verso-manual
    The Lean reference manual
  4. Commit 8088208 builds on the recent leanprover/lean4:v4.34.0-rc1
    TNLean
    Tensor-network theory, formalized in Lean 4: the fundamental theorem of matrix product states, canonical forms, parent Hamiltonians, matrix-product density operators, and projected entangled pair states, building on the QICLean quantum-information library
  5. Commit 6f464a2 builds on the recent leanprover/lean4:v4.32.2
    formal-slt
    Machine-checked statistical learning theory in Lean 4: empirical-Bernstein and time-uniform PAC-Bayes, Markov risk, Rademacher/VC, and Dudley chaining.
  6. Commit b113044 builds on the recent leanprover/lean4:v4.34.0-rc2
    Hex
    Development monorepo for Hex: verified computational algebra in Lean 4 (polynomial factoring, LLL, and friends). Released aggregate: https://github.com/leanprover/hex
  7. Commit 9be0358 builds on the recent leanprover/lean4:v4.32.2
    lean4-mlir
    Lean specification of neural architectures with verified GPU codegen.
  8. Commit bad3de9 builds on the old leanprover/lean4:v4.32.0
    SpherePacking
    A Lean formalisation of Maryna Viazovska's Fields Medal-winning solution to the sphere packing problem in dimension 8.
  9. Commit a5fc584 builds on the recent leanprover/lean4:v4.34.0-rc1
    beam
    Claude/Codex skill and local workflow layer for efficient interaction with Lean 4 and Monte-Carlo Tree Search.
  10. Commit cee1a84 builds on the recent leanprover/lean4:v4.34.0-rc2
    AddCombi
    The sublibrary of Mathlib dedicated to additive combinatorics