{"published":"2016-02-13 02:43:49","title":"\u81ea\u7136\u6570\u306e\u96c6\u5408","author_name":"derwind","type":"rich","url":"https://randommemory.hatenablog.com/entry/2016/02/13/024349","categories":["math-other"],"height":"190","author_url":"https://blog.hatena.ne.jp/derwind/","width":"100%","provider_url":"https://hatena.blog","description":"\u516c\u7406\u8ad6\u7684\u96c6\u5408\u8ad6\u3082\u3069\u304d - \u3089\u3093\u3060\u3080\u306a\u8a18\u61b6\u3067\u8efd\u3044\u3072\u3063\u304b\u304b\u308a\u3092\u899a\u3048\u305f\u304c\u3001\u300c\u3058\u3083\u3041\u3001\u5177\u4f53\u7684\u306a\u96c6\u5408\u306f\uff1f\u300d\u3068\u3044\u3046\u306e\u304c\u3042\u3063\u3066\u3002 \u300c\u7121\u9650\u96c6\u5408\u516c\u7406\u300d\u306b\u3044\u3046\u3088\u3046\u306a\u96c6\u5408 $x$ \u3092\u3068\u308b\u3068\u3001\u3053\u308c\u306f $\\varnothing \\in x$ \u3092\u6e80\u305f\u3059\u306e\u3067\u3001 $\\varnothing \\cup \\{ \\varnothing \\},\\ \\varnothing \\cup \\{ \\varnothing \\} \\cup \\{ \\varnothing \\cup \\{ \\varnothing \\} \\},\\ \\varnothing \\cup \\{ \\varnothing \\} \\cup \\{ \\varnothing \\cup \\{ \u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frandommemory.hatenablog.com%2Fentry%2F2016%2F02%2F13%2F024349\" title=\"\u81ea\u7136\u6570\u306e\u96c6\u5408 - \u3089\u3093\u3060\u3080\u306a\u8a18\u61b6\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://randommemory.hatenablog.com/","version":"1.0","provider_name":"Hatena Blog","blog_title":"\u3089\u3093\u3060\u3080\u306a\u8a18\u61b6","image_url":null}