Back to notes -- Keyboard shortcut: 'u'        next -- Keyboard shortcut: 'n'  Slide program -- Keyboard shortcut: 't'    Wishful thinking - the goal of our work: Generating a recursive factorial function from an almost recursive factorial function.Lecture 2 - slide 11 : 35
Program 1
(let ((recursive-factorial (Y (lambda (???)
                                (lambda (n)
                                  (if (= n 0) 1 (* n (??? (- n 1)))))))))
  (recursive-factorial 5))

; ??? is just a name. But what is Y?