In logic, mathematics, and computer science, the arity i of a function or operation is the number of arguments or operands the function or operation accepts. The arity of a relation (or predicate) is the dimension of the domain in the corresponding Cartesian product. (A function of arity n thus has arity n+1 considered as a relation.) The term spr...
Found on
http://en.wikipedia.org/wiki/Arity
noun the number of arguments that a function can take
Found on
https://www.encyclo.co.uk/local/20974
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