{"author_url":"https://blog.hatena.ne.jp/yoshihiro503/","author_name":"yoshihiro503","blog_title":"\u306b\u308f\u3068\u308a\u5c0f\u5c4b\u3067\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyosh.hateblo.jp%2Fentry%2F20100522%2Fp1\" title=\"Coq\u3067\u591a\u5909\u6570\u591a\u9805\u5f0f\u306e\u7c21\u7d04 - \u306b\u308f\u3068\u308a\u5c0f\u5c4b\u3067\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2010-05-22 00:00:00","height":"190","url":"https://yosh.hateblo.jp/entry/20100522/p1","blog_url":"https://yosh.hateblo.jp/","provider_name":"Hatena Blog","title":"Coq\u3067\u591a\u5909\u6570\u591a\u9805\u5f0f\u306e\u7c21\u7d04","width":"100%","description":"\u5909\u6570\u5168\u4f53\u306e\u96c6\u5408var\u3092{}\u3068\u3044\u3046\u3088\u3046\u306b\u81ea\u7136\u6570\u306e\u5bfe\u5fdc\u3067\u4e0e\u3048\u3089\u308c\u308b\u3068\u8003\u3048\u3001\u5f0fexp\u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5b9a\u7fa9\u3059\u308b\u3002 Inductive exp : Set := | Var : var -> exp | Const : nat -> exp | Binop : binop -> exp -> exp -> exp. \u3053\u3053\u3067 binop\u578b\u306e\u5024\u306f\u4e8c\u9805\u6f14\u7b97\u5b50(binary operation)\u306e\u7a2e\u985e(\uff0b\u307e\u305f\u306f\u00d7)\u3092\u8868\u3059\u3082\u306e\u3068\u3057\u3066\u4ee5\u4e0b\u3067\u5b9a\u7fa9\u3055\u308c\u308b\u3082\u306e\u3068\u3057\u3001\u5b9a\u6570\u9805\u306f\u7c21\u5358\u306e\u305f\u3081\u81ea\u7136\u6570(nat)\u306b\u9650\u308b\u3068\u3059\u308b\u3002 Inductive binop : Set := Plus | Times. \u3064\u307e\u308a\u3001\u3053\u306e\u5b9a\u7fa9\u306e\u3082\u3068\u3067\u306f\u4ee5\u4e0b\u306e\u2026","provider_url":"https://hatena.blog","image_url":null,"type":"rich","version":"1.0","categories":["Coq","CPDT"]}