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Library / First Principles Framework (FPF) - Core Conceptual Specification
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C.11.CRC:10 - Rationale

The pattern is narrow because its result is neither a new value ontology nor a decision. The reusable action is to construct a finite configuration-relative claim before local choice. A.19 remains the comparison-mechanism owner, C.29 the mathematical-lens owner, and C.11 the choice owner.

The selected name follows F.18. Marginal contribution decision conflates finite difference, derivative, economic terminology, and the later decision; marginal value encourages one scalar; sensitivity analysis names a different question. Configuration-Relative Contribution Comparison names the reference configuration and comparison while leaving domain quantities and choice outside.