atom: (atom 1)
atom list: (atom (quote (1 2)))
quote: (quote (a b c))
equality: (eq 1 1)
car: (car (quote (1 2 3)))
cdr: (cdr (quote (1 2 3)))
cons: (cons 1 (quote (2 3)))
cond: (cond ((eq 1 2) 3) ((eq 1 1) 4))
Define factorial
factorial: (factorial 5)
add: (+ 1 2 3)
multiply: (* 2 3 4)
nested: (+ (* 2 3) (- 10 5))