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mereological difference fn (MereologicalDifferenceFn)

(MereologicalDifferenceFn obj1 obj2) denotes the Object consisting of the parts which belong to obj1 and not to obj2.

Ontologie

SUMO / MEREOTOPOLOGY

Class(es)

 třída

inheritable relation

prostorová relace
 třída

inheritable relation

binární funkce

mereological difference fn

Související termín(y)

addition fn  back fn  day fn  density fn  division fn  edition fn  exponentiation fn  front fn  graph path fn  hour fn  intersection fn  interval fn  kappa fn  list concatenate fn  list order fn  log fn  max fn  maximal weighted path fn  measure fn  mereological product fn  mereological sum fn  min fn  minimal weighted path fn  minute fn  month fn  multiplication fn  periodical issue fn  principal host fn  recurrent time interval fn  relative complement fn  relative time fn  remainder fn  second fn  series volume fn  skin fn  speed fn  subtraction fn  temporal composition fn  time interval fn  union fn  where fn  between  connected  connects  distance  hole  larger  orientation  part  partially fills  partly located  smaller  traverses

Typy argumentů

objekt MereologicalDifferenceFn(objekt, objekt)

Axiomy (3)

mereological sum fn je internally related to mereological difference fn.
`(relatedInternalConcept MereologicalSumFn MereologicalDifferenceFn)`

mereological product fn je internally related to mereological difference fn.
`(relatedInternalConcept MereologicalProductFn MereologicalDifferenceFn)`

Jestliže obj3 se rovná "mereological difference fn(obj1,obj2)", potom pro všechny part platí: part je částí obj3 tehdy a jen tehdy pokud part je částí obj1 a part není částí obj2.
```(=>
(equal
?OBJ3
(MereologicalDifferenceFn ?OBJ1 ?OBJ2))
(forall
(?PART)
(<=>
(part ?PART ?OBJ3)
(and
(part ?PART ?OBJ1)
(not
(part ?PART ?OBJ2))))))```