arity

Noun.  (context, logic) The number of arguments or operands a function or operation takes. For a relation, the number of domains in the corresponding Cartesian product. .

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.