{"height":"190","type":"rich","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/p/peng225/20260213/20260213231254.png","published":"2026-02-20 23:44:09","url":"https://peng225.hatenablog.com/entry/2026/02/20/234409","blog_url":"https://peng225.hatenablog.com/","version":"1.0","author_url":"https://blog.hatena.ne.jp/peng225/","title":"\u570f\u306b\u95a2\u3059\u308b\u521d\u6b69\u7684\u306a\u6982\u5ff5\u3092\u5c0f\u3055\u306a\u4f8b\u3067\u7406\u89e3\u3059\u308b \uff5e unit\u3068counit","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fpeng225.hatenablog.com%2Fentry%2F2026%2F02%2F20%2F234409\" title=\"\u570f\u306b\u95a2\u3059\u308b\u521d\u6b69\u7684\u306a\u6982\u5ff5\u3092\u5c0f\u3055\u306a\u4f8b\u3067\u7406\u89e3\u3059\u308b \uff5e unit\u3068counit - \u30da\u30f3\u30ae\u30f3\u306f\u7a7a\u3092\u98db\u3076\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"\u30da\u30f3\u30ae\u30f3\u306f\u7a7a\u3092\u98db\u3076","author_name":"peng225","provider_url":"https://hatena.blog","width":"100%","description":"\u524d\u56de\u306e\u8a18\u4e8b\u3067\u306f\u968f\u4f34\u306b\u3064\u3044\u3066\u4f8b\u3092\u7528\u3044\u3066\u8aac\u660e\u3057\u305f\u3002\u672c\u7a3f\u3067\u306f\u524d\u56de\u8aac\u660e\u3057\u304d\u308c\u306a\u304b\u3063\u305f\u968f\u4f34\u306b\u95a2\u9023\u3059\u308b\u8a71\u984c\u3068\u3057\u3066\u3001unit\u3068counit\u306b\u3064\u3044\u3066\u4f8b\u3092\u7528\u3044\u306a\u304c\u3089\u8003\u3048\u3066\u307f\u308b\u3002 unit\u3068counit Unit\u3068counit\u306e\u5b9a\u7fa9\u3092\u672c[1]\u304b\u3089\u5f15\u7528\u3059\u308b\u3002 unit\u3068counit For each , we have a map Dually, for each , we have a map (We have begun to omit brackets, writing instead of , etc.) These define natural transformations called the uni\u2026","categories":["\u570f\u8ad6"]}