{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fna03.hatenadiary.org%2Fentry%2F20071218%2F1197985575\" title=\"R-related - nao\u7814\u7a76\u5ba4\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","title":"R-related","provider_url":"https://hatena.blog","description":"(a,b) \u2208 R\u306e\u3068\u304da\u3068b\u306faRb\u3068\u8868\u305b\u308b\u3002\u3055\u3089\u306b\u3001b \u2208 B\u306e\u3068\u304d\u3001aRb, bSc\u306a\u3089\u3070\u3089a(R\u25e6S)c\u3068\u306a\u308b\u3002\u4f8b\u3060\u3068\u3053\u3093\u306a\u611f\u3058\uff1fA = {x, y, z}, B = {1, 2, 3, 4}, C = {\u03b1, \u03b2, \u03b3} R = {(x, 1), (x, 2), (y, 2), (z, 3), (z, 4)} S = {(1, \u03b1), (2, \u03b2), (2, \u03b3), (3, \u03b2)}\u3053\u308c\u3089\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5f0f\u3067\u3082\u8868\u305b\u308b\u3002x(R\u25e6S)\u03b1 x(R\u25e6S)\u03b2 x(R\u25e6S)\u03b3 y(R\u25e6S)\u03b2 y(R\u25e6S)\u03b3 z(R\u25e6S)\u03b2\u306a\u308b\u307b\u3069\u3001\u3088\u3046\u306f\u2192\u3067\u306e\u95a2\u4fc2\u3067\u3064\u306a\u304c\u308b\u3068\u3053\u308d\u306fR\u306e\u95a2\u4fc2\u3063\u3066\u3053\u3068\u306d\u3002","url":"https://na03.hatenadiary.org/entry/20071218/1197985575","author_name":"na03","version":"1.0","blog_title":"nao\u7814\u7a76\u5ba4","type":"rich","categories":["\u51fa\u76f4\u3057\u6570\u5b66","\u6570\u5b66"],"provider_name":"Hatena Blog","published":"2007-12-18 22:46:15","image_url":null,"width":"100%","author_url":"https://blog.hatena.ne.jp/na03/","blog_url":"https://na03.hatenadiary.org/"}