Definition & axiom
⚠ Conflicts with the ISO 15926-4 primary definition
Label (EN)
diverter
Label (PT-BR)
Definition (EN)
Definition (PT-BR)
Semi-formal axiom (Aristotelian)
Axiom type
LLM classification basis: function-based → ≡
The concept is defined across all sources by its primary function of diverting fluids or materials from their expected course/direction. While specific subtypes may have structural differences (mechanical devices vs chemical agents), the identity-giving characteristic is the DivertingFunction.
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
DivertingFunction → DivertingProcess ⊑ FlowControl
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COPI-Core operation
FlowControl via process parent FlowControl
LLM rationale:
All definitions consistently identify diversion/redirection as the identity-giving capability. This function involves redirecting flow, distribution, or material transport from an expected path to an alternative path or destination.
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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:
No domain-specific parent class is appropriate from the candidates. 'FunctionalObject' from ISO 15926 is too abstract and not part of our IOF-Core framework. 'Piping and pipeline equipment' is too restrictive as diverters exist in many contexts beyond piping. Diverters can be mechanical devices (wellhead diverters, valve-based systems) or chemical agents, all unified by their diverting function rather than a specific structural category.
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Expert review
3
Differentia Specifica
✓ done
∃bearerOf.DivertingFunction
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Conditions that distinguish
Diverter
from sibling classes under genus
MaterialArtifact.
Only what is not already entailed by the genus.
Differentia expression
Differentia (natural language)
LLM rationale:
The DivertingFunction is the minimal differentiating condition that captures the essence of diversion across all application contexts - from wellhead fluid diverters to chemical diverting agents in stimulation treatments.
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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:
Diverters are too diverse in implementation to have universal necessary parts. Some are mechanical devices with bodies and actuators, others are chemical agents, others are flow elements. Parts requirements should be specified at the subtype level (e.g., diverter valve, chemical diverter).
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Expert review
5
Process Participation Signature ⟨I, O, T⟩
✓ done
PortionOfFluid → PortionOfFluid
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Inputs (I)
Outputs (O)
Transformation (T)
LLM rationale:
Core process signature involves taking an input stream and redirecting it spatially. Output count can vary (1+ alternative paths). The material composition remains unchanged - only the flow direction/destination changes.
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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
0 of 6 selected
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Select which CFIHOS/DEXPI properties inhere in every instance of Diverter as
bfo:Quality subclasses.
Each selected property →
:DiverterQuality ⊑ bfo:Quality, inheres in :Diverter
Custom axioms
none
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Axioms not produced by the pipeline. Each is appended verbatim as an
rdfs:subClassOf restriction on Diverter.
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.
