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Relationships
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temporallyBetween | (temporallyBetween ?POINT1 ?POINT2 ?POINT3) means that the TimePoint ?POINT2 is between the TimePoints ?POINT1 and ?POINT3, i.e. ?POINT1 is before ?POINT2 and ?POINT2 is before ?POINT3. |
| Instances | Abstract | Properties or qualities as distinguished from any particular embodiment of the properties/qualities in a physical medium. Instances of Abstract can be said to exist in the same sense as mathematical objects such as sets and relations, but they cannot exist at a particular place and time without some physical encoding or embodiment. |
| | Entity | La clase universal de individuos. Es el nodo principal de la ontología. |
| | InheritableRelation | The class of Relations whose properties can be inherited downward in the class hierarchy via the subrelation Predicate. |
| | PartialValuedRelation | A Relation is a PartialValuedRelation just in case it is not a TotalValuedRelation, i.e. just in case assigning values to every argument position except the last one does not necessarily mean that there is a value assignment for the last argument position. Note that, if a Relation is both a PartialValuedRelation and a SingleValuedRelation, then it is a partial function. |
| | Predicate | A Predicate is a sentence-forming Relation. Each tuple in the Relation is a finite, ordered sequence of objects. The fact that a particular tuple is an element of a Predicate is denoted by '(*predicate* arg_1 arg_2 .. arg_n)', where the arg_i are the objects so related. In the case of BinaryPredicates, the fact can be read as `arg_1 is *predicate* arg_2' or `a *predicate* of arg_1 is arg_2'. |
| | Relation | The Class of relations. There are two kinds of Relation: Predicate and Function. Predicates and Functions both denote sets of ordered n-tuples. The difference between these two Classes is that Predicates cover formula-forming operators, while Functions cover term-forming operators. |
| | TemporalRelation | The Class of temporal Relations. This Class includes notions of (temporal) topology of intervals, (temporal) schemata, and (temporal) extension. |
| | TernaryPredicate | The Class of Predicates that require exactly three arguments. |
| | TernaryRelation | TernaryRelations relate three items. The two subclasses of TernaryRelation are TernaryPredicate and BinaryFunction. |
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