{"blog_title":"\u6570\u5b66\u5927\u597d\u304d\u5ba3\u8a00\uff01","version":"1.0","provider_url":"https://hatena.blog","description":"\u2460\u70b9\u3068\u306f\u6e96\u540c\u578b\u3067\u3042\u308b \u2461\u6e96\u540c\u578b\u306e\u672c\u6570\u3068\u6975\u5927\u30a4\u30c7\u30a2\u30eb\u306e\u500b\u6570 \u2462\u70b9\u306e\u500b\u6570\u3068\u6975\u5927\u30a4\u30c7\u30a2\u30eb\u306e\u500b\u6570 \u203b\u2192\u3053\u3061\u3089\u306e\u4e0a\u304b\u30892\u756a\u76ee\u306e\u56de\u7b54\u3092\u53c2\u7167https://math.stackexchange.com/questions/574367/is-any-subring-of-a-field-which-contains-the-identity-is-itself-a-subfield\u2463\u5408\u540c\u30bc\u30fc\u30bf\u95a2\u6570\u306e\u30aa\u30a4\u30e9\u30fc\u7a4d\u8868\u793a","author_url":"https://blog.hatena.ne.jp/mochi-mochi61/","categories":[],"width":"100%","blog_url":"https://mochi-mochi61.hatenablog.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmochi-mochi61.hatenablog.com%2Fentry%2F2022%2F04%2F19%2F211612\" title=\"\u5408\u540c\u30bc\u30fc\u30bf\u95a2\u6570\u306e\u30aa\u30a4\u30e9\u30fc\u7a4d\u8868\u793a - \u6570\u5b66\u5927\u597d\u304d\u5ba3\u8a00\uff01\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://mochi-mochi61.hatenablog.com/entry/2022/04/19/211612","type":"rich","image_url":null,"published":"2022-04-19 21:16:12","title":"\u5408\u540c\u30bc\u30fc\u30bf\u95a2\u6570\u306e\u30aa\u30a4\u30e9\u30fc\u7a4d\u8868\u793a","height":"190","author_name":"mochi-mochi61","provider_name":"Hatena Blog"}