Verify Verification Audit Canonical Concrete audit routes for inspecting the TauLib formalization claims yourself: build the library, count axioms, count sorries, verify the claimed scope coverage, and check the trust budget.
Verification AuditCanonical

TauLib Audit Routes

Concrete audit routes for inspecting the TauLib formalization claims yourself: build the library, count axioms, count sorries, verify the claimed scope coverage, and check the trust budget.

This page is a hub for the concrete, hands-on routes by which an external reader can audit the TauLib formalization’s claims. Every claim on this site that depends on TauLib is reachable from one of the routes below.

What you can audit, and how

Claim category Audit route Tool
3 custom axioms, exactly /verify/custom-axioms/ — full inventory; or rg -n '^axiom ' TauLib/ on the live repo rg / TauLib
0 sorry across all 7 books /verify/taulib/status/; or rg -n ':= sorry' TauLib/ on the live repo rg / TauLib
Module / theorem / #eval counts /verify/release-manifest/ — pinned counts at the release SHA manifest checksum
native_decide trust-budget cost /verify/tcb/ — explicit disclosure of Lean.ofReduceBool and Lean.trustCompiler extension; ~1,824 use sites #print axioms at REPL
Each scope label is honest /verify/taulib/scope-labels/ and /verify/filter-rules/ review
Each registry-ID claim has a Lean witness /verify/taulib/docs/ — Corpus-native browser; per-result page links to the Lean module site cross-reference
Build the library yourself /verify/how-to-verify-by-role/lake build from a fresh clone lake

Two-minute audit

For a journalist, reviewer, or specialist who has 120 seconds:

git clone https://github.com/Panta-Rhei-Research/taulib && cd taulib
rg -n '^axiom ' TauLib/                    # expect 3 matches
rg -n ':= sorry' TauLib/                   # expect 0 matches
rg -c 'native_decide' TauLib/ | head        # disclosure: ~1,824 — see /verify/tcb/

If those three checks return what the site claims, the headline TauLib invariants are independently verified. The harder claims (each prediction’s chain through the registry) require the page-level audit routes above.

Where the trust ends and the engineering begins

This audit hub is intentionally short. It is not the verification narrative — that lives at /verify/ and /verify/how-to-verify/. It is the concrete route surface: where to click, what to run, what to grep, when you have decided to inspect rather than read.

For the trust-budget question — what does “machine-checked in Lean 4” actually mean here? — start at /verify/tcb/. For the scope-label question — which claims are formal-only, which are bridged to physics, which are metaphorical? — start at /verify/taulib/scope-labels/ and /verify/filter-rules/.

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