 ##  [Predicate Arity](/predicate-arity) 

  ##  [Predicate Arity](https://mathlogic.quantumdictionary.io/predicate-arity-0) 

  
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- Natural &amp; Formal Sciences -

**Mathematics &amp; Logic Dictionary**

 
Definition

The number of argument places of a predicate symbol, specifying how many terms the predicate takes; a k-ary predicate relates k terms and is central to the signature of a language.