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Library / First Principles Framework (FPF) - Core Conceptual Specification
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A.2.6:17.2 - USM compliance levels (informative)

  • USM-Ready. Exact scope and slice values are declared; editors can distinguish membership from evaluation, evidence, representation, and structure.
  • USM-Guarded. Guards evaluate exact Claim scope or Work scope membership, including gammaTime in the scope predicate only when time changes membership. Measures, qualification, and freshness remain separate checks.
  • USM-Auditable. Durable result epistemes identify the exact scope, slice, and evaluation result. When translation was triggered, they cite the obtaining F.9 Bridge, separate bounded-use claim, and current A.10 or B.3 reliance.
  • USM‑Composed. Serial intersection and SpanUnion are implemented in composition tooling.