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Subject: Re: Lambda calculus and it relation to LISP
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>
> 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.