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Meaning of BOUND VARIABLE

 
Computing Dictionary
 
 Definition: 

1. A bound variable or formal argument in a function definition is replaced by the actual argument when the function is applied. In the lambda abstraction

        \ x . M

x is the bound variable. However, x is a free variable of the term M when M is considered on its own. M is the scope of the binding of x.

2. In logic a bound variable is a quantified variable. See quantifier.

 

 

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