{"version":"1.0","blog_url":"https://randommemory.hatenablog.com/","published":"2016-02-05 22:06:28","provider_url":"https://hatena.blog","width":"100%","type":"rich","title":"\u570f\u8ad6(21)\u3068 arrows-only metacategory","provider_name":"Hatena Blog","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frandommemory.hatenablog.com%2Fentry%2F2016%2F02%2F05%2F220628\" title=\"\u570f\u8ad6(21)\u3068 arrows-only metacategory - \u3089\u3093\u3060\u3080\u306a\u8a18\u61b6\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/derwind/","description":"Mac Lane\u672c\u3067\u89e3\u8aac\u306e\u3042\u308b\u300c\u5c04\u306e\u307f\u306e\u30e1\u30bf\u570f\u300d(arrows-only metacategory)\u306b\u3064\u3044\u3066\u89e6\u308c\u308b\u3002 \u3053\u3053\u3067\u30e1\u30bf\u570f\u3068\u8aad\u3093\u3067\u3044\u308b\u3082\u306e\u306fAwodey\u672c\u306e\u570f\u306a\u306e\u3067\u3001\u30e1\u30bf\u306f\u3042\u3063\u3066\u3082\u306a\u304f\u3066\u3082\u826f\u3044\u3002Mac Lane\u672c\u306e\u6ce8\u91c8\u3067\u3082\u300c\u30e1\u30bf\u570f\u304a\u3088\u3073\u30e1\u30bf\u30b0\u30e9\u30d5\u3068\u3044\u3046\u7528\u8a9e\u306f\u3042\u307e\u308a\u4e00\u822c\u7684\u3067\u306f\u306a\u3044\u3002\u901a\u5e38\u306f\u516c\u7406\u7684\u306b\u8a18\u8ff0\u3055\u308c\u308b\u3082\u306e\u3082\u5358\u306b\u570f\u3084\u30b0\u30e9\u30d5\u3068\u547c\u3076\u3002\u300d\u3068\u3042\u308b\u3002Mac Lane\u672c\u3067\u306f\u570f\u306f ``\u30e1\u30bf\u570f\u3067\u5b9a\u7fa9\u3057\u305f\u516c\u7406\u3092\u96c6\u5408\u8ad6\u306e\u8a00\u8449\u3067\u8a18\u8ff0\u3057\u305f\u3082\u306e'' \u306e\u3053\u3068\u3089\u3057\u3044\u3002\u9ad8\u5c1a\u3059\u304e\u308b\u306e\u3067\u4eca\u5f8c\u533a\u5225\u3092\u3057\u306a\u3044\u3002 Definition (arrows-only metacategory) arrows-only metacate\u2026","author_name":"derwind","url":"https://randommemory.hatenablog.com/entry/2016/02/05/220628","height":"190","blog_title":"\u3089\u3093\u3060\u3080\u306a\u8a18\u61b6","categories":["math-category"]}