{"provider_name":"Hatena Blog","author_name":"m-hiyama","blog_title":"\u6a9c\u5c71\u6b63\u5e78\u306e\u30ad\u30de\u30a4\u30e9\u98fc\u80b2\u8a18 (\u306f\u3066\u306aBlog)","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fm-hiyama.hatenablog.com%2Fentry%2F2025%2F10%2F02%2F171512\" title=\"\u3068\u3042\u308b\u30b3\u30f3\u30de\u570f\u306f\u8981\u7d20\u306e\u570f\uff1a \u7c73\u7530\u30de\u30b8\u30c3\u30af - \u6a9c\u5c71\u6b63\u5e78\u306e\u30ad\u30de\u30a4\u30e9\u98fc\u80b2\u8a18 (\u306f\u3066\u306aBlog)\" 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/m-hiyama/","blog_url":"https://m-hiyama.hatenablog.com/","height":"190","image_url":"https://www.chimaira.org/img7/yoneda-magic-01.png","url":"https://m-hiyama.hatenablog.com/entry/2025/10/02/171512","published":"2025-10-02 17:15:12","description":"\u8868\u984c\u306e\u300c\u3068\u3042\u308b\u30b3\u30f3\u30de\u570f\u300d\u3092\u3061\u3083\u3093\u3068\u8a00\u3046\u3068\uff1a \u570f $`\\mathcal{C}`$ \u306e\u7c73\u7530\u57cb\u3081\u8fbc\u307f $`\u3088_\\mathcal{C}`$ \u3068\u3001$`\\mathcal{C}`$ \u4e0a\u306e\u524d\u5c64 $`X`$ \u304b\u3089\u4f5c\u3089\u308c\u308b\u30b3\u30f3\u30de\u570f $`(\u3088_\\mathcal{C} \\downarrow X)`$ \u8868\u984c\u306e\u4e3b\u5f35\u306f\u6b21\u306e\u570f\u540c\u5024\u304c\u3042\u308b\u3053\u3068\u3067\u3059\u3002$`\\quad (\u3088_\\mathcal{C} \\downarrow X) \\simeq \\int_\\mathcal{C} X`$ \u3053\u306e\u4e3b\u5f35\u3092\u793a\u3059\u305f\u3081\u306b\u3001\u524d\u534a\u3067\u306f\u4e00\u5fdc\u5f62\u5f0f\u7684\u3008formal\u3009\u306a\u8b70\u8ad6\u3092\u3057\u307e\u3059\u3002\u304c\u3001\u3053\u306e\u8a18\u4e8b\u306e\u773c\u76ee\u306f\u5f8c\u534a\u3067\u3059\u3002\u5f8c\u534a\u306b\u304a\u3044\u3066\u3001\u4e0a\u8a18\u306e\u570f\u540c\u5024\uff08\u5b9f\u969b\u306f\u570f\u540c\u578b\uff09\u3092\u76f4\u611f\u7684\u306b\u2026","version":"1.0","provider_url":"https://hatena.blog","categories":["\u96d1\u8a18\uff0f\u5099\u5fd8"],"type":"rich","width":"100%","title":"\u3068\u3042\u308b\u30b3\u30f3\u30de\u570f\u306f\u8981\u7d20\u306e\u570f\uff1a \u7c73\u7530\u30de\u30b8\u30c3\u30af"}