Library / First Principles Framework (FPF) - Core Conceptual Specification
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E.13:0 - Use This When

Use this pattern when a project treats a visible measure, score, proxy, benchmark, dashboard, quality value, review result, release posture, or evidence volume as if it were the practical value or objective itself.

Typical moments:

  • a metric improves, but the team cannot say what intended value improved;
  • a quality score, all-5 posture, assurance level, citation count, source count, or review pass becomes the target;
  • a proxy is used as a gate, incentive, resource-allocation signal, reputation signal, or release argument;
  • a model, method, pattern, or system is formally better while users or operators are worse off, or safety, maintainability, learning, or decision quality worsens;
  • an evaluation loop adds apparatus to satisfy the evaluator instead of improving the object of concern.

First useful move. Name the intended value or objective, name the proxy or visible measure, and state how that proxy is being used now: measure, target, incentive, gate, release argument, decision driver, reputation signal, repair target, or orientation cue.

What goes wrong if missed. The team optimizes the proxy and loses the value. It can produce a better score, cleaner review proof, larger source packet, or more complete record while practical utility gets worse.

What this buys. FPF can keep measurement, evaluation, and quality loops useful without letting their visible outputs replace the value they were meant to serve.

Not this pattern when.

  • If the question is whether a measurement scale is admissible, use C.16.
  • If the question is ordinary pattern quality, use E.21; use E.13 only when a visible quality value is being treated as the practical value.
  • If the question is DRR adequacy, use E.9.DA; use E.13 only when DRR marks become a surrogate for decision usefulness.
  • If the question is whole-FPF Pillar adequacy, use E.2.DA; use E.13 only when Pillar values become the target.
  • If the question is assurance, gate passage, evidence sufficiency, or decision authority, use the governing pattern for that claim before treating the visible proxy as value.