# lambda expression

## EnglishEdit

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### NounEdit

lambda expression (plural lambda expressions)

1. An algebraic expression representing a function by binding one or more parameters to an expression which may contain those parameters.
Expression Meaning
${\displaystyle \lambda x.1}$  The constant value 1
${\displaystyle \lambda x.x}$  The identity
${\displaystyle \lambda x.x+1}$  ${\displaystyle f(x)=x+1}$
${\displaystyle \lambda n.\lambda x.x+n}$  ${\displaystyle f(n)=g}$  where ${\displaystyle g(x)=x+n}$