RELATIONSHIP - Existential Dependency
| Description | Abstract Concept An Existential Dependency relationship is a Relation where the source Entity's existence depends on the existence of the target Entity. The cardinality of the set of targetted Entity is [1..1].
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| External references |
 UFO - Existential dependence ed(x,y) |
| Super Types | 
Relation |
RELATED ENTITIES
| Related Entities | Name | Description |
|---|---|---|
| Source | 
Entity | Abstract An Entity is a distinct, identifiable Element that has a proper existence (living or non living). It is accessible by some referencing mechanism and can have Relations to other Entitys. The Entity class is the powerinstance of Class of Entity: all subtypes of Entity are instances of Class of Entity. |
| Target |
Entity | Abstract An Entity is a distinct, identifiable Element that has a proper existence (living or non living). It is accessible by some referencing mechanism and can have Relations to other Entitys. The Entity class is the powerinstance of Class of Entity: all subtypes of Entity are instances of Class of Entity. |
SEMANTIC TAXONOMY
Sub-Types Super-Types
SUB-TYPES
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