Re: Lambda calculus and it relation to LISP

[William Elliot]

On Wed, 9 Oct 2002, James Wong wrote:

> > While we are on the topic of Scheme and recursion:
> > ((lambda (f n) (f f n))
> >  (lambda (f n) (if (= 0 n) 1 (* n (f f (- n 1))))) 5)
> >
> > Recursion without a function actually calling itself!
>
> This was an "Extra for Experts" hw problem for us in Berkeley. I didn't get
> it, so I tip my hat to you.
>
It reduces to factorial 5.



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