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immediate subclass (immediateSubclass)

A SetOrClass class1 is an immediateSubclass of another SetOrClass class2 just in case class1 is a subclass of class2 and there is no other subclass of class2 such that class1 is also a subclass of it.

Ontology

SUMO / STRUCTURAL-ONTOLOGY

Class(es)

RelazioneAsimmetrica
is instance of
RelazioneIntransitiva
is instance of

is instance of
  immediate subclass  

Superrelation(s)

subclass
is subrelation of
  immediate subclass  

Coordinate term(s)

back fn  cardinality fn  front fn  principal host fn  probability fn  skin fn  attribute  authors  causes  causes subclass  citizen  closed on  completely fills  contains information  crosses  date  developmental form  documentation  duration  editor  element  equivalence relation on  exploits  expressed in language  fills  frequency  graph part  has purpose  has skill  holds during  holds obligation  holds right  hole  identity element  immediate instance  in list  in scope of interest  inhabits  irreflexive on  manner  measure  meets temporally  member  modal attribute  parent  partial ordering on  partially fills  path length  penetrates  possesses  precondition  proper part  properly fills  publishes  range  range subclass  realization  reflexive on  successor attribute  surface  temporal part  time  total ordering on  trichotomizing on  uses  valence  version 

Axioms (1)

Se class1 é una sottoclasse immediata di class2, allora non esiste class2 class3 tale che class1 é una sottoclasse di class3 e class2 is not uguale a class3 e class1 is not uguale a class3.
(=>
      (immediateSubclass ?CLASS1 ?CLASS2)
      (not
            (exists
                  (?CLASS3)
                  (and
                        (subclass ?CLASS3 ?CLASS2)
                        (subclass ?CLASS1 ?CLASS3)
                        (not
                              (equal ?CLASS2 ?CLASS3))
                        (not
                              (equal ?CLASS1 ?CLASS3))))))