{"image_url":null,"description":"Logical Foundations\u3092\u9032\u3081\u304c\u3066\u3089\u3001\u57fa\u790e\u56fa\u3081\u7684\u306b\u7c21\u5358\u306a\u547d\u984c\u8ad6\u7406\u306e\u547d\u984c\u3092\u8a3c\u660e\u3057\u3066\u307f\u305f\u3044\u3068\u601d\u3063\u3066\u30b0\u30b0\u3063\u305f\u3089\u3053\u3093\u306a\u30b9\u30ec\u306b\u906d\u9047\u3057\u305f\uff1a coq.discourse.group \u3053\u306e\u3046\u3061\u306e\u6700\u521d\u306e\u554f\u984c\u304c\u7c21\u5358\u306a\u304c\u3089\u3082\u3044\u304f\u3064\u304b\u9762\u767d\u3044\u70b9\u304c\u3042\u3063\u305f\u306e\u3067\u30e1\u30e2\u3002 \u8a3c\u660e\u3059\u308b\u547d\u984c\uff1a Lemma a1 : forall (A B C D : Prop), (A -> B) -> (A -> C) -> (B -> C -> D) -> (A -> D). \u307e\u305a\u306f\u547d\u984c\u3068\u4eee\u5b9a\u3092\u5c0e\u5165\u3057\u3066\u304a\u304f\uff1a Proof. intros A B C D. intros Hab Hac Hbcd Ha. \u3053\u306e\u6642\u70b9\u3067\u306e\u4eee\u5b9a\u3068\u30b4\u30fc\u30eb\u306f\u4ee5\u4e0b\u2026","blog_title":"Arantium Maestum","provider_url":"https://hatena.blog","width":"100%","blog_url":"https://zehnpaard.hatenablog.com/","provider_name":"Hatena Blog","categories":["Coq"],"version":"1.0","type":"rich","height":"190","author_name":"zehnpaard","author_url":"https://blog.hatena.ne.jp/zehnpaard/","published":"2021-04-12 08:15:26","title":"Coq\u306e\u6f14\u7fd2\u554f\u984c\u3001\u3042\u308b\u3044\u306fif\u3068apply\u306b\u3064\u3044\u3066","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fzehnpaard.hatenablog.com%2Fentry%2F2021%2F04%2F12%2F081526\" title=\"Coq\u306e\u6f14\u7fd2\u554f\u984c\u3001\u3042\u308b\u3044\u306fif\u3068apply\u306b\u3064\u3044\u3066 - Arantium Maestum\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://zehnpaard.hatenablog.com/entry/2021/04/12/081526"}