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Generic Lean 4 library for algebraic organization of code repositories — pairs with Pantograph
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Maximus Gorog 62b73bb176 Atomic Phase 3 witnesses via decide 
Five kernel-rooted atomic-shape witnesses for `tokenize ∘ render = toTokens`:
  · tokenize_render_name_anonymous
  · tokenize_render_classifier_always
  · tokenize_render_classifier_never
  · tokenize_render_cterm_empty
  · tokenize_render_artifact_empty

Each closes via `decide` with `maxRecDepth 2000` — the kernel
fully reduces the entire chain (toLeanSource → String.toList →
tokenize → comparison) on the closed atomic input.

Recursive arms (.str, .num, .app, .lam, .comp, .transp, .meet, .join,
.cterm, .refTo, .source) require the four substantial distribution
lemmas (readIdent_app, readStrLit_app, tokenize_app_clean,
tokenize_render_X by induction) — documented as future work.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-01 13:03:51 -06:00
Infoductor Atomic Phase 3 witnesses via decide 2026-05-01 13:03:51 -06:00
.gitignore Phase A: Foundation lib — meta-mirror, Edit/Context, restructure, registries 2026-05-01 07:20:36 -06:00
Infoductor.lean Add MetaCTerm structural mirror, .cterm artifact arm, MetaPosition.binder 2026-05-01 09:08:01 -06:00
lake-manifest.json Phase B: Comonad sub-library — proof-pattern detection ported from mm-lean 2026-05-01 07:39:36 -06:00
lakefile.toml Phase B: Comonad sub-library — proof-pattern detection ported from mm-lean 2026-05-01 07:39:36 -06:00
lean-toolchain Phase A: Foundation lib — meta-mirror, Edit/Context, restructure, registries 2026-05-01 07:20:36 -06:00
LICENSE Phase A: Foundation lib — meta-mirror, Edit/Context, restructure, registries 2026-05-01 07:20:36 -06:00
NOTICE Phase A: Foundation lib — meta-mirror, Edit/Context, restructure, registries 2026-05-01 07:20:36 -06:00
README.md Phase A: Foundation lib — meta-mirror, Edit/Context, restructure, registries 2026-05-01 07:20:36 -06:00

README.md

Infoductor

Generic Lean 4 library + tooling for algebraic organization of code repositories. Provides the mechanism for declaring methodologies that organize a Lean codebase — registries, attributes, the universal restructure operation, the Edit monad / Context comonad pair — without committing to which methodology a downstream project uses.

Pairs naturally with the Pantograph project (the conductor of an electric train sits atop the pantograph hardware). "Info-ductor" — it conducts information (structure, classifications, methodology) through your codebase.

Status

Phase A: Foundation lib landed (2026-05-01). Tactics, Pantograph plugin, and headless Runner sub-libs are planned but not yet present.

Sub-libraries

Library Status Role
Infoductor.Foundation ✅ landed Pure algebra: meta-mirror types, Edit monad, Context comonad, restructure, @[macroAlias] / @[methodology] / @[metaPath] attributes + registries. No domain commitments.
Infoductor.Tactics planned Reference dispatcher tactics (cubical_search-shaped) built on Foundation primitives.
Infoductor.Pantograph planned Plugin routing Pantograph commands into Foundation registries.
Infoductor.Runner planned Headless deployment surface for Edit.runHeadless etc. Lands when concrete deployment need arises.

Foundation API

Meta-mirror types (Infoductor.Foundation.Meta)

  • MetaCType — the meta-types of source artifacts (theorem, definition, instance, structure, …).
  • MetaClassifier — a lattice of "where in the codebase" predicates (always, never, atDecl n, inFile p, underAttribute a, dependencyOf n, inNamespace n, plus meet / join).
  • MetaArtifact — what gets placed at a meta-position (source / declAt / refTo / empty).
  • MetaPosition — (declName, filePath, range?) addressing.

Edit / Context (Infoductor.Foundation.Edit)

  • Edit α — monad of source mutations. result : α paired with ops : List EditOp.
  • Context α — comonad of "what's around here": focal artifact, position, siblings. extract / extend operations.
  • contextualEdit — distributive law lifting context-aware decisions into edits.

Restructure (Infoductor.Foundation.Restructure)

  • restructure (i ctx φ witness fallback) — the universal source- mutation operation. Same five-field shape as cubical comp, promoted to source-code level.
  • Frozen aliases: transport_artifact, relocate_invariant, rename_throughout, define_question_shape, compose_proof_fragments, materialize.
  • Headless interpreter: EditOp.apply, Edit.runHeadless.
  • Structural soundness: Edit.brokenRefs, Edit.selfConsistent, Edit.guarded.

Registries

  • @[macroAlias] (Infoductor.Foundation.MacroAlias) — register a def as a frozen restructure alias.
  • @[methodology Classifier] (Infoductor.Foundation.Methodology) — register a theorem as a proof methodology indexed by classifier name.
  • @[metaPath Source Target] (Infoductor.Foundation.MetaPath) — declare a structural Path between two classifiers; powers deriveByTransport.
  • tryEntryAsClosed primitive — try a methodology entry as a goal closer; restores tactic state on failure.

Inspecting registries

#eval inside a Lean session:

#eval Infoductor.printAliases
#eval Infoductor.printMethodologies
#eval Infoductor.printMetaPaths

Building

lake build

Forgejo

http://maxgit.wg:3000/max/infoductor

License

See LICENSE.