lambda expression

English

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Noun

lambda expression

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