{"provider_name":"Hatena Blog","categories":[],"url":"https://sicp-zemi.hatenablog.jp/entry/2016/12/23/SICP%E3%82%BC%E3%83%9F_%E7%AC%AC35%E5%9B%9E","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsicp-zemi.hatenablog.jp%2Fentry%2F2016%2F12%2F23%2FSICP%25E3%2582%25BC%25E3%2583%259F_%25E7%25AC%25AC35%25E5%259B%259E\" title=\"SICP\u30bc\u30df\u7b2c35\u56de - SICP\u30bc\u30df\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","blog_title":"SICP\u30bc\u30df","width":"100%","type":"rich","blog_url":"https://sicp-zemi.hatenablog.jp/","version":"1.0","author_url":"https://blog.hatena.ne.jp/sicp-zemi/","image_url":null,"author_name":"sicp-zemi","title":"SICP\u30bc\u30df\u7b2c35\u56de","description":"\u7df4\u7fd2\u554f\u984c2.82 \u4f8b\u3048\u3070\u5f15\u6570\u304c\u9577\u65b9\u5f62\u3068\u83f1\u5f62\u3068\u6b63\u65b9\u5f62\u3067\u3042\u308b\u3068\u304d\u3092\u8003\u3048\u308b\u3068\u3001\u5168\u3066\u306e\u5f15\u6570\u3092\u5e73\u884c\u56db\u8fba\u5f62\u306b\u5f37\u5236\u578b\u5909\u63db\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u304c\u3001\u5404\u5f15\u6570\u306e\u578b\u3078\u3068\u5909\u63db\u3057\u3088\u3046\u3068\u3059\u308b\u9650\u308a\u3001\u5e73\u884c\u56db\u8fba\u5f62\u306b\u306f\u305f\u3069\u308a\u7740\u304b\u306a\u3044\u3002\u3064\u307e\u308a\u3001\u578b\u306e\u95a2\u4fc2\u306b\u304a\u3044\u3066\u5206\u5c90\u304c\u751f\u3058\u3066\u304a\u308a\u3001\u305d\u306e\u5206\u5c90\u306e\u8449\u306b\u3042\u305f\u308b\u578b\u306e\u307f\u304c\u5f15\u6570\u3068\u3057\u3066\u4e0e\u3048\u3089\u308c\u305f\u3068\u304d\u306b\u3046\u307e\u304f\u52d5\u304b\u306a\u3044\u3068\u8003\u3048\u3089\u308c\u308b\u3002 by tube \u7df4\u7fd2\u554f\u984c2.83 (define (integer->rational n) (make-rational (contents n) 1)) (define (rational->scheme-number n) (let ((nu (car (contents \u2026","published":"2016-12-23 15:10:08"}