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Definition of "arity" [arity]

  • The number of arguments or operands a function or operation takes. For a relation, the number of domains in the corresponding Cartesian product. (noun) : Text is available under the Creative Commons Attribution-ShareAlike License

Use "arity" in a sentence
  • "r is called the arity of the function f, i.e., the number of arguments that it takes."
  • "Then due to its popul­arity, the dates were extended twice until the end of August."
  • "A structure contains interpretations of certain predicate, function and constant symbols; each predicate or function symbol has a fixed arity."