Definition & axiom
⚠ Conflicts with the ISO 15926-4 primary definition
Label (EN)
mixer
Label (PT-BR)
Definition (EN)
Definition (PT-BR)
Semi-formal axiom (Aristotelian)
Axiom type
LLM classification basis: function-based → ≡
Mixer is primarily defined by its MixingFunction - the capability to blend or combine two or more fluid ingredients. While there are various constructive types (static vs. dynamic, different impeller configurations), the identity is fundamentally given by the mixing function, not the physical mechanism.
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
MixingFunction → MixingProcess ⊑ MomentumTransfer
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COPI-Core operation
MomentumTransfer via process parent MomentumTransfer
LLM rationale:
All definitions consistently identify mixing as the identity-giving capability. ISO 15926 states 'capability of MIXING', CFIHOS mentions 'fluid mixing processes', DEXPI references 'capability of mixing', and POSC Caesar specifies 'mixes two ore more fluid ingredients'.
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Expert review
2
Genus Proximus
✓ done
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:
No domain-specific parent like 'FluidProcessingEquipment' exists in the parent_candidates (FunctionalObject, ProcessEquipment, Artefact are too abstract). CFIHOS describes mixers as 'rotating piece of equipment comprised of a driver such as a motor which rotates an agitator' - indicating causally unified equipment with removable subcomponents (motor, agitator, shaft). This points to Assembly rather than MaterialArtifact.
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Expert review
3
Differentia Specifica
✓ done
∃bearerOf.MixingFunction
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Conditions that distinguish
Mixer
from sibling classes under genus
Assembly.
Only what is not already entailed by the genus.
Differentia expression
Differentia (natural language)
LLM rationale:
The MixingFunction is the minimal and essential differentia that distinguishes mixers from all other assemblies. This functional differentia covers both dynamic mixers (with rotating components) and static mixers (with flow-disrupting elements).
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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:
MixingElement is the only universally necessary part. Other components like motors, shafts, or casings vary by mixer subtype (dynamic vs. static). The mixing element is what actually performs the fluid blending function.
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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:
All definitions emphasize mixing 'two or more' fluid ingredients into a blended product. The transformation is compositional rather than phase change or chemical reaction.
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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 1 selected
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Select which CFIHOS/DEXPI properties inhere in every instance of Mixer as
bfo:Quality subclasses.
Each selected property →
:MixerQuality ⊑ bfo:Quality, inheres in :Mixer
Custom axioms
none
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Axioms not produced by the pipeline. Each is appended verbatim as an
rdfs:subClassOf restriction on Mixer.
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.
