"Return the tenth element of the list LIST."
(nth 9 x))
-(defun caar (x)
- "Return the `car' of the `car' of X."
- (car (car x)))
-
-(defun cadr (x)
- "Return the `car' of the `cdr' of X."
- (car (cdr x)))
-
-(defun cdar (x)
- "Return the `cdr' of the `car' of X."
- (cdr (car x)))
-
-(defun cddr (x)
- "Return the `cdr' of the `cdr' of X."
- (cdr (cdr x)))
-
(defun caaar (x)
"Return the `car' of the `car' of the `car' of X."
(car (car (car x))))