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Entity > Abstract > Class > Relation > Predicate
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Predicate comparison table
Subject have domain1 be second domain of documentation have axiom is a kind of is an instance of have relatedInternalConcept
BinaryPredicate inverseA Predicate relating two items - its valence is two
(=>
(instance ?REL BinaryPredicate)
(valence ?REL 2))
Predicate  
disjointDecompositionClasssubrelationA disjointDecomposition of a Class C is a set of subclasses of C that are mutually disjoint
(forall (?INT) (domain disjointDecomposition ?INT Class))
 VariableArityRelationexhaustiveDecomposition
exhaustiveDecompositionClasssubrelationAn exhaustiveDecomposition of a Class C is a set of subclasses of C such that every subclass of C either is an element of the set or is a subclass of an element of the set. Note: this does not necessarily mean that the elements of the set are disjoint (see partition - a partition is a disjoint exhaustive decomposition.
(forall (?INT) (domain exhaustiveDecomposition ?INT Class))
 VariableArityRelationpartition
holdsRelationsubrelation(holds P N1 ... NK) is true just in case the tuple of objects denoted by N1,..., NK is an element of the Relation P
(=>
(instance ?REL VariableArityRelation)
(not
(exists (?INT)
(valence ?REL ?INT))))
 VariableArityRelation 
QuaternaryPredicate subrelationThe Class of Predicates that require four arguments
(=>
(instance ?REL QuaternaryPredicate)
(valence ?REL 4))
QuaternaryRelation  
QuintaryPredicate subrelationThe Class of Predicates that require five arguments
(=>
(instance ?REL QuintaryPredicate)
(valence ?REL 5))
QuintaryRelation  
SententialOperator subrelationThis Class currently comprises all of the logical operators (viz. 'and', 'or', 'not', '=>', and '<=>')
(forall (?INT) (domain exhaustiveDecomposition ?INT Class))
Predicate  
TernaryPredicate subrelationThe Class of Predicates that require exactly three arguments
(=>
(instance ?REL TernaryPredicate)
(valence ?REL 3))
TernaryRelation  

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