{"categories":["\u570f\u8ad6","\u547d\u984c","F-algebra"],"height":"190","published":"2014-10-04 01:00:00","title":"Pattern matching","provider_name":"Hatena Blog","image_url":"http://chart.apis.google.com/chart?cht=tx&chl=%20T%28A%29%20%5Cto%20A%20","author_name":"mbps","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmbps.hatenablog.com%2Fentry%2F2014%2F10%2F04%2F010000\" title=\"Pattern matching - PS\" 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":"PS","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/mbps/","url":"https://mbps.hatenablog.com/entry/2014/10/04/010000","version":"1.0","blog_url":"https://mbps.hatenablog.com/","type":"rich","width":"100%","description":"Endofunctor: \u306b\u3064\u3044\u3066\uff65\uff65\uff65 Lambek's lemma Every initial algebra is an isomorphism: *1 \u7cfb initial algebra: -morphism: *2 \u306b\u3064\u3044\u3066 \u306a\u308b -morphism: \u304c\u305f\u3060\u4e00\u3064\u5b58\u5728\u3059\u308b\u3002 \u53c2\u8003\u6587\u732e art08_geuvers_poll.pdf initial algebra of an endofunctor in nLab *1: \u304cfixed point\u306b\u306a\u3063\u3066\u3044\u308b *2:\u3044\u308f\u3086\u308bcase\u5f0f"}