The difference between Arity and Distributive number
When used as nouns, arity means the number of arguments or operands a function or operation takes. for a relation, the number of domains in the corresponding cartesian product, whereas distributive number means a word that answers "how many times each?" or "how many at a time?".
check bellow for the other definitions of Arity and Distributive number
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Arity as a noun (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.
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Arity as a noun (mathematics, computer science):
The maximum number of child nodes that any node in a given tree (data structure) may have.
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Arity as a noun (Lojban, _, grammar):
the number of arguments (in Lojban grammar called sumti) specified in the definition of a selbri. (the selbri combined with the sumti make up a bridi).
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Distributive number as a noun (grammar):
A word that answers "how many times each?" or "how many at a time?"
Examples:
"Singly" is a distributive number, while "single" is a multiplier."