bridge

MB7b Filter-family coverage

Lean spine source

Declarations: MB7b_filter_family_coverage

From the machine-checked spine in formal/ (Mathlib + spine imports). Not self-contained for Lean 4 Web — use the repo or a local lake build.

axiom MB7b_filter_family_coverage :
  ∀ A : System, AccessRobust A → FilterCoverageAdequate A → HiddenBIQBoundedSys A

/-- MB7c: hidden-BIQ-to-adversarial-robustness. If hidden productive B-IQ is bounded,
    correction integrity can support adversarial robustness. -/