leppie wrote:
>
> Hi
>
> Typo:
>
> (define (procedure-arity-includes proc k) ; missing '?'
>
> Also, it seems the logic for above is wrong.
>
> (< k a)
>
> - should be -
>
> (>= k a)  ; or swop k and a above.

Thank you -- I will fix this in the next revision.  (I should know
better than posting code I haven't tested).

David