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Arity vs Parameterless - What's the difference?

arity | parameterless |

As a noun arity

is the number of arguments or operands a function or operation takes. For a relation, the number of domains in the corresponding Cartesian product.

As an adjective parameterless is

taking no parameters; having zero arity.

arity

English

Noun

(wikipedia arity) (arities)
  • (logic, mathematics, computer science) The number of arguments or operands a function or operation takes. For a relation, the number of domains in the corresponding Cartesian product.

    • Synonyms

    * (number of arguments) adinity, adicity, type, rank

    parameterless

    English

    Adjective

    (-)
  • (computing theory) Taking no parameters; having zero arity.