Definition & axiom
⚠ Conflicts with the ISO 15926-4 primary definition
Label (EN)
finned tube
Label (PT-BR)
Definition (EN)
Definition (PT-BR)
Semi-formal axiom (Aristotelian)
Axiom type
Validation status
Why primitive (necessary only)
Reviewer notes
FOL theory & disjointness
First-order logic theory (generated)
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Disjoint with
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Expert review
Axiomatization steps
1
Identity-Giving Function
✓ done
ExtendedSurfaceHeatTransferFunction → ExtendedSurfaceHeatTransferProcess ⊑ HeatTransfer
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COPI-Core operation
HeatTransfer via process parent HeatTransfer
LLM rationale:
ISO 15926 defines the finned tube by the purpose of its fins — 'to increase its outer surface area' — which is a heat transfer enhancement function.
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Expert review
2
Genus Proximus
✓ done
MaterialArtifact
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Genus (genus proximum)
Most specific superclass — may be a domain class like "Valve" or an IOF-Core root.
BFO/IOF-Core Root
bfo:Object branch
bfo:ObjectAggregate branch
bfo:ImmaterialEntity branch
LLM rationale:
ISO 15926 types it as a TUBE, which COPI does not enrich separately; MaterialArtifact is the nearest available superclass.
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Expert review
3
Differentia Specifica
✓ done
∃bearerOf.ExtendedSurfaceHeatTransferFunction
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Conditions that distinguish
Finned Tube
from sibling classes under genus
MaterialArtifact.
Only what is not already entailed by the genus.
Differentia expression
Differentia (natural language)
LLM rationale:
Constructive basis: the differentia is the presence of fins, a structural feature. Necessary-only — a tube without fins that happens to transfer heat well is not a finned tube.
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Expert review
4
Necessary Parts
✓ done
no necessary parts
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Consider part-whole relations beyond subsumption:
hasComponentPartAtAllTimes (universal, structurally essential)
· hasComponentPartAtSomeTime (contingent, optional component)
LLM rationale:
No sub-component is named in any source definition for this term. validate_necessary_parts_quotes() requires a verbatim source_quote for every part, and there is nothing to quote — so no parts are asserted (ODR-022 §10.2).
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Expert review
5
Process Participation Signature ⟨I, O, T⟩
✓ done
HeatTransferMedium → HeatTransferMedium
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Inputs (I)
Outputs (O)
Transformation (T)
LLM rationale:
The fins alter the rate, not the kind, of transfer; participants are the heat transfer medium on either side.
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Expert review
More
Alternative labels
none
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Synonyms / alternative labels (comma-separated) — skos:altLabel
Language auto-detected on export (PT if the label contains accents, EN otherwise).
Properties as BFO qualities
no CFIHOS/DEXPI properties
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No CFIHOS/DEXPI properties found for this cluster.
Custom axioms
none
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Axioms not produced by the pipeline. Each is appended verbatim as an
rdfs:subClassOf restriction on Finned Tube.
Write the restriction block in Turtle syntax (without the leading
rdfs:subClassOf).
Example: [ owl:onProperty :hasPart ; owl:someValuesFrom :Wellhead ]
Cross-standard divergences
none detected yet
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Click "Detect divergences" to analyse cross-standard disagreements for this cluster.
