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Isaac-Kleinman/sicp_2-54.rkt

Created December 18, 2015 17:01
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SICP - Solution to Exercise 2.54
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sicp_2-54.rkt
(define (equal? a b)
(or (and
(not (pair? a))
(not (pair? b))
(eq? a b))
(and
(pair? a)
(pair? b)
(equal? (car a) (car b))
(equal? (cdr a) (cdr b)))))
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