| Categorized Class |
Ordered Entity Ordered Entity is a class whose sub-types are classifed by a Class of Ordered Entity: It is the power instance of Class of Ordered Entity. Examples: |
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| Name | Description |
|---|---|
First Order Class |
First Order Class is the Meta-Class of all subclasses of First Order Entity. Each instance of First Order Class is a Class of Entity, each of whose instances is necessarily a First Order Entity. First Order Classes are the most common type of classes. Examples: . Buildings . Mountains . Deliveries . Organizations . Persons |
Second Order Class |
Second Order Class is 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 instances such as GreyWolf and Dodo), 3) USArmyRank. |