FPF Reference

    A.19.SOURCE-SET-SPACE-SUBSTRATE:4.1 - Declared relation-and-ref-position stack and outside work

    Preface node heading:a-19-source-set-space-substrate-4-1-declared-relation-and-ref-position-stack-and-outside-work:23828

    What this page is

    This is generated FPF reference text from the specification preface or supporting sections. It helps interpret FPF; it is not FPF Reference product documentation.

    Methodology

    Use it to understand how the specification wants to be read, then return to a route, pattern, or work packet for active work. Cite generated IDs only when the wording changes the task decision.

    Content

    Use this pattern to declare only the substrate stack below:

    • the declared source set that the line is acting on;
    • the recoverable concrete source-set identity when the family name alone would be ambiguous;
    • the search-side reference to one declared A.19 CharacteristicSpace;
    • the outcome-side reference to one declared A.19 CharacteristicSpace;
    • the explicit SpaceRefRelationKind over those two ref positions;
    • the explicit source-to-outcome relation;
    • and the explicit distortion, uncertainty, or error posture for that relation.

    Do not use this pattern to declare:

    • A.19 space typing itself;
    • selector outcome publication, shortlist identity, or shipping closure;
    • live pool policy or enactment planning;
    • or optional interpretive-view families that interpret or reorganize an already-declared substrate.

    Last Updated: 2026-06-08 — upstream FPF commit 093d30e8 (github.com/ailev/FPF)