| Description | Abstract Concept Second Order Class is defined as the Meta-Class of all subclasses of First Order Class. Each instance of Second Order Class is a class, each of whose instances is a First Order Class. First Order Class is an instance of Second Order Class since, by definition, all of its instances are First Order Classes. Examples: 1) Car-Brand (with instances such as VolkswagenCar and HondaCar), 2) AnimalSpecies (with instancessuch as GreyWolf and Dodo), Occupation, and USArmyRank. |
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| External references |
CycProject- Instances of_instances modeled via higher-order-classes |
| Super Types |
Meta-Class
Ordered Class |
| Functional Domain |
Directed E/R GraphThe Directed E/R Graph domain defines the top level constructs of entity (Entity Element) and their relationships (Relationship Element). |
| Dictionary |
Dictionary of SysFEAT patterns |
Composition: ➝ Classification: ➝ Specialization: ➝ Enumerated definition: ➝ Syntax: ➝
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