A specialization of a 
, sharing all the definitional attributes of that , but with at least one additional distinguishing feature
Notes
- Subtypes are transitive, that is if A is a subtype of B and B is a subtype of C, then A is also a subtype of C.
- The term subtype is synonymous with
. However, it may be helpful to use the term subtype descendant to emphasize inclusion of all subtypes not just 
.
Note that the distinguishing features may or may not be represented in the 
.Example
Examples
is a subtype of 
. 
and 
are subtypes of (and thus also subtypes of ).
Disambiguation
Not to be confused with:
- The term subtype is sometimes used incorrectly to refer only to
that are directly related to a parent via a single
. The correct term for a directly related subtype concept is 
.
Related Links
- Subtype
