generalized union fn (GeneralizedUnionFn)

A UnaryFunction that takes a SetOrClass of Classes as its single argument and returns a SetOrClass which is the merge of all of the Classes in the original SetOrClass, i.e. the SetOrClass containing just those instances which are instances of an instance of the original SetOrClass.

Ontology

SUMO / SET/CLASS-THEORY

Class(es)

varga

inheritable relation

ekaadhaary prakaarya

generalized union fn

Coordinate term(s)

absolute value fn abstraction fn arc cosine fn arc sine fn arc tangent fn back fn begin fn begin node fn cardinality fn ceiling fn complement fn cosine fn cut set fn denominator fn end fn end node fn extension fn floor fn front fn future fn generalized intersection fn giga fn imaginary part fn immediate future fn immediate past fn initial node fn integer square root fn kilo fn list length fn magnitude fn mega fn micro fn milli fn minimal cut set fn nano fn numerator fn organization fn past fn path weight fn pico fn power set fn predecessor fn principal host fn probability fn property fn rational number fn real number fn reciprocal fn round fn signum fn sine fn skin fn square root fn successor fn tangent fn tera fn terminal node fn wealth fn when fn year fn

Type restrictions

samUha yaa varga GeneralizedUnionFn(subclass samUha yaa varga)

Axioms (1)

entity is an instance of "the union of all the elements of superclass" agar hai yah kuch superclass class nahin, ki entity is an instance of class.

(<=>
      (instance
            ?ENTITY
            (GeneralizedUnionFn ?SUPERCLASS))
      (exists
            (?CLASS)
            (and
                  (instance ?CLASS ?SUPERCLASS)
                  (instance ?ENTITY ?CLASS))))