 ##  [Decidability](/decidability) 

  ##  [Decidability](https://mathlogic.quantumdictionary.io/decidability-0) 

  

 [![Mathematics & Logic Dictionary](/sites/default/files/styles/large/public/2026-01/Mathematics%20%26%20Logic.png.webp?itok=UhtTRPnp)](/topic-specific-dictionaries/natural-formal-sciences/mathematics-logic)

- Natural &amp; Formal Sciences -

**Mathematics &amp; Logic Dictionary**

 







 

 

 

 



 

 

 

 

Definition

Property of a decision problem meaning there exists an effective (algorithmic) procedure, in the chosen model of computation, that always halts and correctly answers whether an input belongs to the language.