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<theory> In lambda-calculus and reduction, the renaming of a formal parameter in a lambda abstraction. This does not change the meaning of the abstraction. For example:
\ x . x+1 <--> \ y . y+1If the actual argument to a lambda abstraction contains instances of the abstraction's formal parameter then it is necessary to rename the parameter before applying the abstraction to avoid name capture.
(1995-05-10)
Nearby terms: Alpha AXP 21164 « alpha/beta pruning « alphabetic language « alpha conversion » Alpha EV6 » Alpha Geek » alphanumeric
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