Definition & axiom
⚠ Conflicts with the ISO 15926-4 primary definition
Label (EN)
level element
Label (PT-BR)
Definition (EN)
Definition (PT-BR)
Semi-formal axiom (Aristotelian)
Axiom type
LLM classification basis: function-based → ≡
Identity is defined by the intended function to detect/determine level, regardless of the specific detection mechanism (radar, ultrasonic, float, capacitive, etc.). The definition focuses on the intended detecting function rather than physical construction.
Validation status
Why primitive (necessary only)
Reviewer notes
FOL theory & disjointness
First-order logic theory (generated)
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Disjoint with
▸
Expert review
— accepted
Axiomatization steps
1
Identity-Giving Function
✓ done
LevelDetectionFunction → LevelDetectionProcess ⊑ MeasurementProcess
▼
COPI-Core operation
MeasurementProcess via process parent MeasurementProcess
LLM rationale:
The identity-giving function is to detect or determine fluid level. This is a specific type of detection function focused on level measurement, distinct from other detection functions like pressure, temperature, or flow detection.
▸
Expert review
— accepted
2
Genus Proximus
✓ done
Instrument · MaterialArtifact
▼
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:
From the parent_candidates, 'detecting element' is mentioned, but 'detector' is already enriched in our ontology with DetectionFunction. A level element is a specialized detector focused on level detection. The genus 'detector' is more specific than 'Instrument' and captures the detecting nature accurately.
▸
Expert review
— accepted
3
Differentia Specifica
✓ done
∃bearerOf.LevelDetectionFunction
▼
Conditions that distinguish
Level Element
from sibling classes under genus
Instrument.
Only what is not already entailed by the genus.
Differentia expression
Differentia (natural language)
LLM rationale:
The differentia is the specific subtype of detection function - level detection. This distinguishes it from other detectors that detect different physical phenomena. The genus already provides the general detection capability.
▸
Expert review
— accepted
4
Necessary Parts
✓ done
no necessary parts
▼
Consider part-whole relations beyond subsumption:
hasComponentPartAtAllTimes (universal, structurally essential)
· hasComponentPartAtSomeTime (contingent, optional component)
LLM rationale:
Level elements require both a sensing component that physically detects the level and a transduction component that converts this into a measurable or transmittable form. Specific mechanisms (radar antenna, ultrasonic transducer, float, etc.) are subtype-specific.
▸
Expert review
— accepted
5
Process Participation Signature ⟨I, O, T⟩
✓ done
PortionOfFluid → LevelMeasurementResult
▼
Inputs (I)
Outputs (O)
Transformation (T)
LLM rationale:
Level elements take the physical state of a fluid (its level in a container) as input and produce a signal output that represents that level measurement. No material transformation of the fluid occurs.
▸
Expert review
More
Alternative labels
none
▼
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
▼
Select which CFIHOS/DEXPI properties inhere in every instance of Level Element as
bfo:Quality subclasses.
Each selected property →
:LevelElementQuality ⊑ bfo:Quality, inheres in :LevelElement
Custom axioms
none
▼
Axioms not produced by the pipeline. Each is appended verbatim as an
rdfs:subClassOf restriction on Level Element.
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
▼
Click "Detect divergences" to analyse cross-standard disagreements for this cluster.
