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• Subtype relationships are represented by 

  Gloss
  PreSpace false t relationship type

  Concept
  t 116680003|is a| ShowFormat inline

  .

• A subtype relationship asserts that a 

  Gloss
  t concept

   conforms to all the

  Gloss
  t defining characteristics

   the 

  Gloss
  t supertype

  Gloss
  t concept

  but also has at least one feature or refinement
  Footnote Macro

  refinement that distinguishes it from that concept.

  
  
  

  • Note that the distinguishing features may or may not be represented in the 

    Gloss
    t concept definition

    of the subtype concept.

  that distinguishes it from that concept

• Concepts are defined by a combination of subtype relationships and 

  Gloss
  PreSpace false t attribute relationships

  .

Example

• The table below shows an example of a subtype relationship as it appears in the three significant columns of the 

  Specref
  RefType file t relationship file

  .

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• Gloss
  PreSpace false t Attribute relationship

• Gloss
  PreSpace false t Subtype

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