C.13:9.1 - SoTA-Echoing
Constructional ontology and applied mereology both require explicit choices about constructors, dependence, identity, and the relation between a construction account and the object constructed. C.13 adopts that pressure by requiring exact inputs, obtaining direct relations, assembly, and reidentification. It rejects the stronger shortcut that a term, graph, extensional input set, or written constructor expression alone settles the existence or identity of the whole.
Model-based engineering likewise separates a readable structural model from the physical, operational, informational, method, or work organization it describes. C.13 keeps that model useful while routing representation, evidence, assurance, and currentness to their direct patterns.
A.14:14 supplies the source decision used by the set and slice forms. For set, it requires the collection’s own belongs-to rule and blocks both automatic parthood and the conclusion that separate parthood is impossible. For slice, it requires an obtaining AspectOf relation with its bearer, facet rule, and identity conditions; a Characteristic, view, projection, partition, or time window does not substitute. If that A.14 source account changes, recheck only the affected set or slice contract, normative row, and link to A.14 here. An ordinary change to a collection rule or occurrence, aspect or bearer, facet rule, identity condition, or materialized trace reopens only that construction account and the claim it reports.