is-a

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See also: Appendix:Variations of "isa"

English

Etymology

is +‎ a

Noun

is-a (plural is-as)

  1. (programming) The relationship between two entities in which one entity inherits from the other.
    Coordinate term: has-a
    • 1992, Patrick Henry Winston, Artificial Intelligence, 3rd edition, page 180:
      A special slot, the Is-a slot, short for is-a-member-of-the-class, ties instances to the classes they are members of.
  2. (programming, ontologies) Such relationship expressed as an ontology component (regardless of whether the OOP paradigm per se is implemented).

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