SilverSight/formal
allaun fda0c30c2a fix: fisherMetric50 bridge uses Pi.single (standard basis) not tangentBasis
The old bridge claimed fisherMetric50 p i j = fisherMetric p (tangentBasis i 0)
(tangentBasis j 0), which is WRONG — tangentBasis has a 1/p_0 cross-term.

Correct bridge: fisherMetric p (Pi.single i 1) (Pi.single j 1) = fisherMetric50 p i j
This is trivially true: ∑_k (δ_ik * δ_jk)/p_k = δ_ij/p_i.

Also fixed:
- Import syntax error (missing -/ closure)
- Import path: library.ChentsovFinite → CoreFormalism.ChentsovFinite
- Added BindingSiteHachimoji to lakefile

Note: ChentsovFinite.lean has broken Mathlib imports (pre-existing).
The h_fisher_basis proof is verified correct in isolation.
2026-06-23 15:15:42 -05:00
..
BindingSite fix: fisherMetric50 bridge uses Pi.single (standard basis) not tangentBasis 2026-06-23 15:15:42 -05:00
CoreFormalism fix: address adversarial review findings 2026-06-23 08:28:30 -05:00
PVGS_DQ_Bridge fix: Hkdf formula now uses (α*β)^(m+n+1) denominator; zero sorries 2026-06-23 11:42:16 -05:00
RRCLib feat(rrc): bare-minimum RRC refactor into SilverSight 2026-06-21 09:08:48 -05:00
SilverSight fix: eliminate cross-project Semantics.FixedPoint imports 2026-06-23 05:56:48 -05:00
UniversalEncoding Fix: resolve sorrys across PVGS, UniversalEncoding, ChiralitySpace, QAOA 2026-06-21 05:35:53 -05:00