{"published":"2014-10-11 04:28:34","blog_url":"https://bitterharvest.hatenablog.com/","width":"100%","author_name":"bitterharvest","type":"rich","version":"1.0","image_url":"http://cdn-ak.f.st-hatena.com/images/fotolife/b/bitterharvest/20141011/20141011042701.png","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","url":"https://bitterharvest.hatenablog.com/entry/2014/10/11/042834","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbitterharvest.hatenablog.com%2Fentry%2F2014%2F10%2F11%2F042834\" title=\"\u63a5\u7740\u95a2\u6570\uff0d\u8def\u7dda\u7db2 - bitterharvest\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>","description":"\uff11\uff0e\u63a5\u7740\u95a2\u6570 \u90e8\u54c1\u3092\u7d50\u5408\u3057\u3066\u88fd\u54c1\u306b\u3057\u305f\u308a\u3001\u30b5\u30d6\u30eb\u30fc\u30c1\u30f3\u3092\u96c6\u3081\u3066\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u6210\u3057\u305f\u308a\u3001\u8ab2\u3092\u307e\u3068\u3081\u3066\u90e8\u306b\u3057\u305f\u308a\u306a\u3069\u3001\u7269\u7406\u7684\u306a\u7d50\u5408\u3084\u6982\u5ff5\u7684\u306a\u7d50\u5408\u306f\u65e5\u5e38\u8336\u98ef\u4e8b\u306b\u767a\u751f\u3059\u308b\u3002\u3053\u306e\u3088\u3046\u306a\u7d50\u5408\u306f\u3001\u6570\u5b66\u7684\u306b\u306f\u3001\u63a5\u7740\u95a2\u6570\u3068\u3057\u3066\u6b21\u306e\u3088\u3046\u306b\u5b9a\u7fa9\u3055\u308c\u308b\u3002\u63a5\u7740\u7a7a\u9593\uff1a\u3042\u308b\u7a7a\u9593\\(Y\\)\u306e\u90e8\u5206\u7a7a\u9593\\(Y_0\\)\u3092\u5225\u306e\u7a7a\u9593\\(X\\)\u306b\u95a2\u6570\\(f: Y_0 \\rightarrow X\\)\u3067\u63a5\u7740\u3057\u305f\u3068\u304d\u306e\u7a7a\u9593\u306f\u3001 \\(X \\sqcup Y/ \\sim = Y \\sqcup_f X / (y \\sim f(y) | \\forall y \\in Y_0 )\\) \u3068\u8868\u3059\u3002\u3053\u3053\u3067\u3001\u7a7a\u9593\\(X \\sqcup Y/ \\sim \\)\u306f\u3001\\(y\u2026","blog_title":"bitterharvest\u2019s diary","height":"190","categories":["Haskell\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8b1b\u5ea7\uff08\u4e0a\u7d1a\u7de8\uff1a\u63a5\u7740\u95a2\u6570\uff09"],"author_url":"https://blog.hatena.ne.jp/bitterharvest/","title":"\u63a5\u7740\u95a2\u6570\uff0d\u8def\u7dda\u7db2"}