{"author_url":"https://blog.hatena.ne.jp/zakky_dev/","published":"2014-10-12 07:25:18","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fzakky-dev.hateblo.jp%2Fentry%2F2014%2F10%2F12%2F072518\" title=\"\u30ea\u30b9\u30c8\u53cd\u8ee2\u95a2\u6570\u304c\u5358\u5c04\u3067\u3042\u308b\u3053\u3068\u3092\u8a3c\u660e\u3059\u308b - \u7720\u6c17\u3068\u6226\u3046\u65e5\u3005\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"\u7720\u6c17\u3068\u6226\u3046\u65e5\u3005","image_url":null,"title":"\u30ea\u30b9\u30c8\u53cd\u8ee2\u95a2\u6570\u304c\u5358\u5c04\u3067\u3042\u308b\u3053\u3068\u3092\u8a3c\u660e\u3059\u308b","blog_url":"https://zakky-dev.hateblo.jp/","url":"https://zakky-dev.hateblo.jp/entry/2014/10/12/072518","provider_name":"Hatena Blog","author_name":"zakky_dev","width":"100%","type":"rich","version":"1.0","provider_url":"https://hatena.blog","categories":["coq"],"description":"\u4e45\u3005\u306e\u8a18\u4e8b\u3082\u307e\u305fCoq\u3067\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u57fa\u790e\u30cd\u30bf\u3067\u3059\u3002 \u4eca\u56de\u306fList_J\u306b\u304a\u3051\u308b\u7df4\u7fd2\u554f\u984c\u300crev_injective\u300d\u306b\u3064\u3044\u3066\u3002 \u554f\u984c\u306eTheorem Theorem rev_injective: forall l1 l2: natlist, rev l1 = rev l2 -> l1 = l2. \u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u57fa\u790e\u3067\u306fCoq\u30b3\u30fc\u30c9\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u578bX\u306e\u90e8\u5206\u3092nat\u3068\u3057\u3066Coq\u30b3\u30fc\u30c9\u306b\u3059\u308b\u3068\u3053\u3093\u306a\u611f\u3058\u306b\u306a\u308a\u307e\u3059\u3002 \u3053\u308c\u306b\u3064\u3044\u3066\u8a3c\u660e\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002 \u5b9a\u7406\u306e\u610f\u5473\u3092\u78ba\u8a8d \u307e\u305a\u306f\u3068\u306b\u304b\u304f\u5b9a\u7406\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002 Theorem rev_injective: forall l1 l2: natlist\u2026","height":"190"}