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Library / First Principles Framework (FPF) - Core Conceptual Specification
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A.19.CPM:5.3 - Show (U.Episteme) — uncertainty‑aware comparison with set‑valued outcomes

A research lead compares two proposed methods for a system component. Both methods have performance estimates with uncertainty bounds (e.g., distributions or prediction intervals). The team uses a SoTA uncertainty quantification package (post‑2015 conformal families are a common example) to avoid overstating confidence.

  • USCM produces score profiles that are interval‑valued (or otherwise uncertainty‑annotated) rather than point estimates.
  • The chosen comparator is uncertainty‑aware and declared as a ComparatorSpec (edition‑pinned) in CG‑Spec.ComparatorSet.
  • CompareEligibility returns its guard value separately. If comparison proceeds, CPM returns justified relation tokens such as not worse or incomparable; if it abstains, no abstain token is smuggled into ComparisonResultSlot.
  • The dated comparison U.Work, actual Compare application with its effective comparator, evidence-policy, and ComparisonResultSlot bindings, and A.10 evidence-provenance path let later readers reproduce why the comparison abstained or degraded instead of mistaking missing evidence for equality.