{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fprololo.hatenablog.com%2Fentry%2F2018%2F12%2F20%2F215702\" title=\"LEAN\u3067\u69cb\u9020\u4f53\u306e\u7b49\u4fa1\u6027\u3092\u8a3c\u660e\u3059\u308b - prololo\u2019s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"height":"190","url":"https://prololo.hatenablog.com/entry/2018/12/20/215702","description":"\u3061\u3087\u3063\u3068\u7a7a\u3044\u305f\u6642\u9593\u306bLEAN\u3067\u570f\u8ad6\u3092\u3084\u3063\u3066\u308b\uff0e \u81ea\u7136\u5909\u63db\u306e\u7b49\u4fa1\u6027\u3092\u8a3c\u660e\u3059\u308b\u3068\u304d\u306b\u56f0\u3063\u305f\u3051\u3069\uff0c\u53cb\u9054\u306b\u805e\u3044\u3066\u89e3\u6c7a\u3057\u305f\u306e\u3067\u5099\u5fd8\u9332\uff0e \u7d50\u8ad6\u304b\u3089\u8a00\u3046\u3068\uff0c \u69cb\u9020\u4f53\u3092\u8981\u7d20\u306b\u5206\u89e3\u3059\u308b\u3068\u304d\u306fcases_on\u3092\u4f7f\u3046\uff0e cc tactic\u306f\u4fbf\u5229\uff0e \u69cb\u9020\u4f53hoge\u3067\u8aac\u660e\uff08\uff1f\uff09 \u6b21\u306e\u3088\u3046\u306b\u3057\u3066\u69cb\u9020\u4f53hoge\u3092\u5b9a\u7fa9\u3057\uff0c \u547d\u984ceq_hoge_of_eq_fuga\u3092\u8a3c\u660e\u3057\u305f\u3044\uff0e structure hoge := (fuga : \u2115) (piyo : fuga = fuga) lemma eq_hoge_of_eq_fuga : \u2200 (hg\u2081 hg\u2082 : hoge), hg\u2081.fuga = hg\u2082.fuga \u2192 hg\u2081 = \u2026","provider_url":"https://hatena.blog","version":"1.0","categories":[],"type":"rich","blog_title":"prololo\u2019s diary","width":"100%","blog_url":"https://prololo.hatenablog.com/","author_name":"prololo","published":"2018-12-20 21:57:02","author_url":"https://blog.hatena.ne.jp/prololo/","title":"LEAN\u3067\u69cb\u9020\u4f53\u306e\u7b49\u4fa1\u6027\u3092\u8a3c\u660e\u3059\u308b","provider_name":"Hatena Blog"}