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Factorial with Y combinator
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| (define (f partial) | |
| (lambda (n) | |
| (cond ((= n 0) 1) | |
| (else (* n (partial (- n 1))))))) | |
| (define (y f) | |
| ((lambda (g) | |
| (g g)) (lambda (g) (lambda (n) ((f (g g)) n))))) | |
| (define fact (y f)) |
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