Definition & axiom
⚠ Conflicts with the ISO 15926-4 primary definition
Label (EN)
condenser
Label (PT-BR)
Definition (EN)
Definition (PT-BR)
Semi-formal axiom (Aristotelian)
Axiom type
LLM classification basis: function-based → ≡
Identity is given by the designed function to condense vapor to liquid through heat removal, regardless of physical configuration (shell-and-tube, surface, barometric, etc.)
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
CondensationFunction → CondensationProcess ⊑ PhaseChange
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COPI-Core operation
PhaseChange via process parent PhaseChange
LLM rationale:
The identity-giving function is the designed capability to condense vapor to liquid by removing latent heat of vaporization, which distinguishes condensers from other heat exchangers that may heat, cool without phase change, or evaporate
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Expert review
2
Genus Proximus
✓ done
HeatExchanger · Assembly
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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:
Both sources identify condenser as a subtype of cooler/heat exchanger. The enriched 'heat exchanger' class is the most specific appropriate genus, as condensers are specialized heat exchangers that remove heat to achieve phase change from vapor to liquid
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Expert review
3
Differentia Specifica
✓ done
∃bearerOf.CondensationFunction
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Conditions that distinguish
Condenser
from sibling classes under genus
HeatExchanger.
Only what is not already entailed by the genus.
Differentia expression
Differentia (natural language)
LLM rationale:
The differentia is the specific designed function to achieve vapor-to-liquid phase change, which is more specific than the general heat transfer function inherited from heat exchanger genus
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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:
These parts are universally necessary for condensation function regardless of specific design (shell-tube, surface, etc.)
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Expert review
5
Process Participation Signature ⟨I, O, T⟩
✓ done
PortionOfGas + HeatTransferMedium → PortionOfLiquid + HeatTransferMedium
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Inputs (I)
Outputs (O)
Transformation (T)
LLM rationale:
Signature captures the essential vapor-to-liquid transformation with heat removal to coolant stream
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Expert review
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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 4 selected
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Select which CFIHOS/DEXPI properties inhere in every instance of Condenser as
bfo:Quality subclasses.
Each selected property →
:CondenserQuality ⊑ bfo:Quality, inheres in :Condenser
Custom axioms
none
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Axioms not produced by the pipeline. Each is appended verbatim as an
rdfs:subClassOf restriction on Condenser.
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.
