{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frandommemory.hatenablog.com%2Fentry%2F2016%2F01%2F10%2F162411\" title=\"\u570f\u8ad6(1) - \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>","published":"2016-01-10 16:24:11","url":"https://randommemory.hatenablog.com/entry/2016/01/10/162411","provider_name":"Hatena Blog","width":"100%","height":"190","blog_title":"\u3089\u3093\u3060\u3080\u306a\u8a18\u61b6","categories":["math-category"],"version":"1.0","image_url":null,"title":"\u570f\u8ad6(1)","type":"rich","author_url":"https://blog.hatena.ne.jp/derwind/","description":"\u570f\u8ad6\u3068\u304b\u3063 - \u3089\u3093\u3060\u3080\u306a\u8a18\u61b6\u3067\u6298\u89d2Steve Awodey\u5148\u751f\u306e\u30da\u30fc\u30b8\u3067\u300cCategory Theory\u300d\u306e\u7b2c1\u7248\u3063\u307d\u3044\u30ec\u30af\u30c1\u30e3\u30fc\u30ce\u30fc\u30c8\u3092\u898b\u3064\u3051\u305f\u306e\u3067\u8aad\u3093\u3067\u307f\u308b\u3002\u5b9a\u7fa91.1. \u3067\u5fae\u5999\u306a\u6c17\u6301\u3061\u306b\u306a\u308b\u3002\u60aa\u3044\u610f\u5473\u3067\u306f\u306a\u3044\u3002 \u5c11\u3057\u8a33\u3057\u3066\u307f\u3088\u3046\u3002 \u5b9a\u7fa9 1.1. category\u306f\u4ee5\u4e0b\u306e\u30c7\u30fc\u30bf\u304b\u3089\u306a\u308b: Objects: $A,B,C,\\cdots$ Arrows: $f,g,h,\\cdots$ \u5404arrow $f$\u306b\u5bfe\u3057\u3066\u3001objects: $$\\mathrm{dom}(f), \\hspace{2em} \\mathrm{cod}(f)$$\u304c\u4e0e\u3048\u3089\u308c\u3001\u305d\u308c\u305e\u308c $f$ \u306edomain\u3068codomain\u2026","author_name":"derwind","provider_url":"https://hatena.blog","blog_url":"https://randommemory.hatenablog.com/"}