Definition & axiom
⚠ Conflicts with the ISO 15926-4 primary definition
Label (EN)
chamber
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
ContainmentFunction → ContainmentProcess ⊑ MaterialContainment
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COPI-Core operation
MaterialContainment via process parent MaterialContainment
LLM rationale:
CFIHOS defines a chamber as 'an enclosed space' and ISO 15926 as an ENCLOSURE 'especially one inside an ARTEFACT'. The identity-giving function is containment, which COPI already declares as COPI_0000025.
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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 CHAMBER as an ARTEFACT and an ENCLOSURE; MaterialArtifact is the corresponding IOF root.
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Expert review
3
Differentia Specifica
✓ done
∃bearerOf.ContainmentFunction ⊓ ∃componentPartOf.MaterialArtifact
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Conditions that distinguish
Chamber
from sibling classes under genus
MaterialArtifact.
Only what is not already entailed by the genus.
Differentia expression
Differentia (natural language)
LLM rationale:
Necessary-only. ContainmentFunction is borne by many things that are not chambers (vessels, tanks, pipelines); making this equivalent would pull all of them in. The interiority condition is what narrows it.
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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
PortionOfFluid → PortionOfFluid
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Inputs (I)
Outputs (O)
Transformation (T)
LLM rationale:
A chamber holds rather than transforms; input and output are the same portion under containment.
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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 7 selected
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Select which CFIHOS/DEXPI properties inhere in every instance of Chamber as
bfo:Quality subclasses.
Each selected property →
:ChamberQuality ⊑ bfo:Quality, inheres in :Chamber
Custom axioms
none
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Axioms not produced by the pipeline. Each is appended verbatim as an
rdfs:subClassOf restriction on Chamber.
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.
