Created
June 17, 2013 15:28
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| (define ack | |
| (lambda (m n) | |
| (if (= m 0) | |
| (+ n 1) | |
| (if (and (> m 0) (= n 0)) | |
| (ack (- m 1) 1) | |
| (if (and (> m 0) (> n 0)) | |
| (ack (- m 1) (ack m (- n 1)))))))) |
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