; Passing n as parameter instead of relying on outer n. As a preparation to tear things appart...




(let ((i (lambda (f)
             (lambda (n)
              (let ((g (lambda (h n)    ; NEXT CURRY IT
                          (if (= n 0) 1 (* n (h (- n 1)))))))
                 (g (f f) n)) ))))
  ((i i) 5))