質問編集履歴
1
誤植があった。
test
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File without changes
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test
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@@ -33,7 +33,7 @@
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33
33
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(not (listp x)))
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34
34
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```
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35
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```Scheme
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36
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-
(define ato
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36
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+
(define atom?
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(lambda (x)
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(and (not (pair? x)) (not (null? x))))))
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39
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```
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