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Relationships
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BinaryRelation |
BinaryRelations are relations that are true only of pairs of things. BinaryRelations are represented as slots in frame systems.
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| Children |
EquivalenceRelation | A BinaryRelation is an equivalence relation if it is a ReflexiveRelation, a SymmetricRelation, and a TransitiveRelation. |
| | PartialOrderingRelation | A BinaryRelation is a partial ordering if it is a ReflexiveRelation, an AntisymmetricRelation, and a TransitiveRelation. |
| Instances | ancestor | The transitive closure of the parent predicate. (ancestor ?DESCENDANT ?ANCESTOR) means that ?ANCESTOR is either the parent of ?DESCENDANT or the parent of the parent of DESCENDANT or etc. |
| | ancestorOrganization | (ancestorOrganization ?ORG1 ?ORG2) means that the Organization ?ORG1 descended from the Organization ?ORG2. |
| | before | (before ?POINT1 ?POINT2) means that ?POINT1 precedes ?POINT2 on the universal timeline. |
| | brother | The general relationship of being a brother. (brother ?MAN ?PERSON) means that ?MAN is the brother of ?PERSON. |
| | conjugate | (conjugate ?COMPOUND1 ?COMPOUND2) means that ?COMPOUND1 and ?COMPOUND2 are identical CompoundSubstances except that one has one more Proton than the other. |
| | connectedBodyPart | A Relation between Classes of parts of a Healthy Animal that are connected. |
| | covers | A relationship of partial or complete physical covering, which may be the result of a Covering. To cover an object, the first object must at least roughly conform to the surface of the second object. |
| | crosses | (crosses ?OBJ1 ?OBJ2) means that Object ?OBJ1 traverses Object ?OBJ2, without being connected to it. |
| | dependentGeopoliticalArea | (dependentGeopoliticalArea ?AREA1 ?AREA2) means that ?AREA1 is a geopolitical possession of the GeopoliticalArea ?AREA2 and is not a geopoliticalSubdivision of ?AREA2. For example, (dependentGeopoliticalArea Guam UnitedStates), because Guam is a territory of the UnitedStates, not one of the fifty U.S. states. Contrast primaryGeopoliticalSubdivision. |
| | developmentalForm | (developmentalForm ?OBJECT ?FORM) means that ?FORM describes a stage in the individual maturation of ?OBJECT. For example, tadpole and caterpillar are developmentalForms of frogs and butterflies, respectively. |
| | during | (during ?INTERVAL1 ?INTERVAL2) means that ?INTERVAL1 starts after and ends before ?INTERVAL2. |
| | earlier | (earlier ?INTERVAL1 ?INTERVAL2) means that the TimeInterval ?INTERVAL1 ends before the TimeInterval ?INTERVAL2 begins. |
| | finishes | (finishes ?INTERVAL1 ?INTERVAL2) means that ?INTERVAL1 and ?INTERVAL2 are both TimeIntervals that have the same ending TimePoint and that ?INTERVAL2 begins before ?INTERVAL1. |
| | flows | (flows ?FLUID1 ?FLUID2) means that the Physical ?FLUID1 moves towards the Physical ?FLUID2, to which it is connected. |
| | geographicSubregion | (geographicSubregion ?PART ?WHOLE) means that the GeographicArea ?PART is part of the GeographicArea ?WHOLE. |
| | geopoliticalSubdivision | (geopoliticalSubdivision ?AREA1 ?AREA2) means that ?AREA1 is any geopolitical part of ?AREA2, that is, ?AREA1 is an integral geographicSubregion of ?AREA2 (not a DependencyOrSpecialSovereigntyArea), having its own associated GovernmentOrganization which is subordinated to or constrained by the government of ?AREA2. Cf. dependentGeopoliticalArea. |
| | greaterThan | (greaterThan ?NUMBER1 ?NUMBER2) is true just in case the Quantity ?NUMBER1 is greater than the Quantity ?NUMBER2. |
| | interiorPart | (interiorPart ?OBJ1 ?OBJ2) means that ?OBJ1 is part ?OBJ2 and there is no overlap between ?OBJ1 and any superficialPart ?OBJ2. |
| | larger | (larger ?OBJ1 ?OBJ2) means that ?OBJ1 is larger, with respect to all LengthMeasures, than ?OBJ2. |
| | lessThan | (lessThan ?NUMBER1 ?NUMBER2) is true just in case the Quantity ?NUMBER1 is less than the Quantity ?NUMBER2. |
| | located | (located ?OBJ1 ?OBJ2) means that ?OBJ1 is partlyLocated at ?OBJ2, and there is no part of ?OBJ1 that is not located at ?OBJ2. |
| | multiplicativeFactor | (multiplicativeFactor ?NUMBER1 ?NUMBER2)means that ?NUMBER1 is a factor of ?NUMBER2, i.e. ?NUMBER1 can be multiplied by some Integer to give ?NUMBER2 as a result. |
| | precondition | A very general Predicate. (precondition ?PROC1 ?PROC2) means that an instance of ?PROC2 can exist only if an instance of ?PROC1 also exists. |
| | properPart | (properPart ?OBJ1 ?OBJ2) means that ?OBJ1 is a part of ?OBJ2 other than ?OBJ2 itself. This is a TransitiveRelation and AsymmetricRelation (hence an IrreflexiveRelation). |
| | sister | The general relationship of being a sister. (sister ?WOMAN ?PERSON) means that ?WOMAN is the sister of ?PERSON. |
| | smaller | (smaller ?OBJ1 ?OBJ2) means that ?OBJ1 is smaller, with respect to all LengthMeasures, than ?OBJ2. |
| | starts | (starts ?INTERVAL1 ?INTERVAL2) means that ?INTERVAL1 and ?INTERVAL2 are both TimeIntervals that have the same initial TimePoint and that ?INTERVAL1 ends before ?INTERVAL2. |
| | stored | (stored ?REC ?OBJ) means that some ContentBearingObject, encoded in some format, is saved in some DataStorageDevice and can be accessed in some future date. |
| | subField | (subField ?FIELD1 ?FIELD2) means that ?FIELD1 is a proper part of the ?FIELD2. For example, Physiology is a subField of Biology. |
| | subGraph | The relation between two Graphs when one Graph is a part of the other. (subGraph ?GRAPH1 ?GRAPH2) means that ?GRAPH1 is a part of ?GRAPH2. |
| | subPlan | (subPlan ?PLAN1 ?PLAN2) means that ?PLAN1 is a Plan which is a proper part of ?PLAN2. This relation is generally used to relate a supporting Plan to the overall Plan in a particular context. |
| | subProposition | (subProposition ?PROP1 ?PROP2) means that ?PROP1 is a Proposition which is a proper part of the Proposition ?PROP2. In other words, subProposition is the analogue of properPart for chunks of abstract content. |
| | successorAttributeClosure | The transitive closure of successorAttribute. (successorAttributeClosure ?ATTR1 ?ATTR2) means that there is a chain of successorAttribute assertions connecting ?ATTR1 and ?ATTR2. |
| | successorClass | The next class is a sequence of classes, such as days of the week. The first argument is 'prior' to the second argument. |
| | superficialPart | (superficialPart ?OBJ1 ?OBJ2) means that ?OBJ1 is a part of ?OBJ2 that has no interior parts of its own (or, intuitively, that only overlaps those parts of ?OBJ2 that are externally connected with the mereological complement of ?OBJ2). This too is a transitive relation closed under MereologicalSumFn and MereologicalProductFn. |
| | version | Some Artifacts have a life cycle with discrete stages or versions. (version ARTIFACT1 ARTIFACT2) means that ARTIFACT1 is a version of ARTIFACT2. Note that this Predicate relates subclasses of Artifact and not instances. |