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An inferred view of a

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tconcept
definition may contain
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trelationships
to all that are " " (yellow shaded in examples
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tsupertype ancestors
that are 
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tprimitive
 
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tconcepts
(shaded green in examples 
Caption ref
Idexample-hierarchy
).

The rationale for this is that all the distinguishing features of the " "

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tdefined
 
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tconcepts
(white unshaded in examples) are represented by other defining
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trelationships
which will show up in the attribute part of the view.

...

 

...

A

...

A

...

B

...

A, B

...

C

...

A

...

D

...

A, B

...

E

...

A, E

...

F

...

A, F

...

G

...

A, B, G

...

H

...

A, B, E

...

J

...

A, E, F

...

K

...

A, F

...

L

...

A, B, E, G

...

M

...

This view can be used when testing whether a candidate

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tconcept
is subsumed by a predicate
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texpression
. If the proximal
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tprimitive
supertype view of the predicate
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texpression
includes any
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tconcept
that is not in the comprehensive
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tprimitive
view of the candidate
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tconcept
definition, then the
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tconcept
is not subsumed by the

Image Removed

Figure 12. Example hierarchy with comprehensive list of primitive supertypes

...

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texpression
.

Image Added


Caption figure
Idexample-hierarchy
Example hierarchy containing defined and primitive concepts



Caption table
Primitive Supertypes in the Example Hierarchy

Concepts

Primitivesupertypes of these concept

C, D, E, F

A, B

H, J, N

A, G

O

A, G, K

L, M

A, G, I

P

A, G, I, K

Note:

  1. In this view the definitions of should
    Gloss
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    tprimitive
     concepts should implicitly or explicitly include a reference to the defined itselfconcept itself. This is because a
    Gloss
    PreSpacefalse
    tprimitive
    Gloss
    PreSpacefalse
    tconcept
    expresses some meaning that is not fully distinguished from its supertypes by other defining
    Gloss
    PreSpacefalse
    trelationships
    . The reference to self need not be explicitly stored and provided that it is included implicitly at run timeAll include the in their The reference to root need not be explicitly stored provided that it is included implicitly at run time. .
  2. See also 8.3.6 Proximal primitive supertypes.