{"author_url":"https://blog.hatena.ne.jp/lkozima/","width":"100%","blog_title":"\u8ad6\u7406\u3068\u304b\u8a08\u7b97\u6a5f\u3068\u304b\u6570\u5b66\u3068\u304b","version":"1.0","categories":[],"url":"https://lkozima.hatenablog.com/entry/2012/03/16/002258","provider_url":"https://hatena.blog","blog_url":"https://lkozima.hatenablog.com/","published":"2012-03-16 00:22:58","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Flkozima.hatenablog.com%2Fentry%2F2012%2F03%2F16%2F002258\" title=\"Ltac \u3068 proof term 3 - \u8ad6\u7406\u3068\u304b\u8a08\u7b97\u6a5f\u3068\u304b\u6570\u5b66\u3068\u304b\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","provider_name":"Hatena Blog","author_name":"lkozima","description":"\u4eca\u5ea6\u306f\u7b49\u5f0f\u306e\u8a3c\u660e\u3067\u3084\u3063\u3066\u307f\u307e\u3057\u305f\u3002append \u306e\u7d50\u5408\u6027\u3002 Coq < Goal forall A (xs ys zs : list A), xs ++ ys ++ zs = (xs ++ ys) ++ zs. 1 subgoal ============================ forall (A : Type) (xs ys zs : list A), xs ++ ys ++ zs = (xs ++ ys) ++ zs induction \u3092\u3059\u308b\u306b\u6c7a\u307e\u3063\u3066\u3044\u308b\u3002 Unnamed_thm0 < induction xs. 2 subgoals A : Type ===========\u2026","title":"Ltac \u3068 proof term 3","height":"190"}