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Library / First Principles Framework (FPF) - Core Conceptual Specification
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A.2.6:1 - Problem frame - Purpose and Audience

This pattern gives practitioners one exact question: does this slice belong to the scope needed by this use? It applies first to claim scope and reuses the same value algebra for work and publication scopes.

The claim-bearing episteme, capability, or publication object designates or uses an exact U.ClaimScope, U.WorkScope, or U.PublicationScope. The membership predicate, evaluation work, result episteme, gate, and evidence claim also remain separate.

With USM, a practitioner can:

  • declare exact slice selectors and an exact scope predicate;
  • evaluate membership as true, false, or currently unknown;
  • combine exact scopes by intersection or independently supported union;
  • translate only when exact local senses require an obtaining F.9 Bridge, a separate affirmative C.2.1 claim about this translation, and the current A.10 or B.3 reliance branch.

A.2.6 defines the scope values, membership predicate, mathematical scope algebra, exact reusable A.6.1 operation declarations, and use boundaries. Use A.15.1 for evaluation work, A.10 for evidence, A.21 for gate decisions, and A.22 for structure selection. The practitioner decides whether and which claim to widen for the receiving use.