{"author_url":"https://blog.hatena.ne.jp/kiririmode/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkiririmode.hatenablog.jp%2Fentry%2F20231216%2F1702710679\" title=\"\u6709\u9650\u52a0\u6cd5\u65cf\u3068\u30b8\u30e7\u30eb\u30c0\u30f3\u6e2c\u5ea6 - \u7406\u7cfb\u5b66\u751f\u65e5\u8a18\" 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://kiririmode.hatenablog.jp/entry/20231216/1702710679","description":"\u30eb\u30d9\u30fc\u30b0\u7a4d\u5206\u3092\u5b9a\u7fa9\u3059\u308b\u306b\u3042\u305f\u3063\u3066\u306f\u8272\u3005\u306a\u6e96\u5099\u304c\u5fc5\u8981\u3067\u3001\u307e\u305a\u306f\u305d\u306e\u521d\u6b69\u3068\u306a\u308b\u52a0\u6cd5\u65cf\u3001\u5b8c\u5168\u52a0\u6cd5\u7684\u3068\u3044\u3063\u305f\u5b9a\u7fa9\u3092\u62bc\u3055\u3048\u3066\u3044\u304d\u307e\u3059\u3002 \u6709\u9650\u52a0\u6cd5\u65cf \u4e0e\u3048\u3089\u308c\u305f\u7a7a\u9593$X$\u306e\u90e8\u5206\u96c6\u5408\u306e\u65cf$\\mathfrak{F}$\u304c\u4ee5\u4e0b\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3059\u3068\u304d\u3001$\\mathfrak{F}$\u3092\u6709\u9650\u52a0\u6cd5\u65cf\u3068\u547c\u3073\u307e\u3059\u3002 $\\emptyset \\in \\mathfrak{F}$ $A \\in \\mathfrak{F} \\Rightarrow A ^{C} \\in \\mathfrak{F}$ $A, B \\in \\mathfrak{F} \\Rightarrow A \\cup B \\in \\mathfrak{F}$ \u88dc\u96c6\u5408\u3001\u548c\u96c6\u5408\u306b\u3064\u3044\u3066\u9589\u2026","height":"190","provider_url":"https://hatena.blog","version":"1.0","width":"100%","type":"rich","categories":["math"],"blog_title":"\u7406\u7cfb\u5b66\u751f\u65e5\u8a18","blog_url":"https://kiririmode.hatenablog.jp/","image_url":null,"provider_name":"Hatena Blog","title":"\u6709\u9650\u52a0\u6cd5\u65cf\u3068\u30b8\u30e7\u30eb\u30c0\u30f3\u6e2c\u5ea6","author_name":"kiririmode","published":"2023-12-16 16:11:19"}