{"published":"2016-01-25 22:02:47","blog_url":"https://randommemory.hatenablog.com/","version":"1.0","image_url":null,"provider_name":"Hatena Blog","title":"Zorn\u306e\u88dc\u984c","type":"rich","width":"100%","provider_url":"https://hatena.blog","description":"C*-\u4ee3\u6570\u3068\u4f5c\u7528\u7d20\u8ad6(1) - \u3089\u3093\u3060\u3080\u306a\u8a18\u61b6\u3067Zorn\u306e\u88dc\u984c\u3092\u7528\u3044\u305f\u304c\u3001\u3053\u3044\u3064\u306f\u5927\u5206\u30ad\u30e2\u3043\u3084\u3064\u3060\u3002proper \u306a modular \u30a4\u30c7\u30a2\u30eb\u306b\u3064\u3044\u3066\u306e\u8a3c\u660e\u306b\u7528\u3044\u305f\u304c\u3001\u8a3c\u660e\u4e2d\u3067 modular \u3067\u3042\u308b\u3053\u3068\u306f\u307e\u3063\u305f\u304f\u7528\u3044\u3066\u304a\u3089\u305a\u3001\u305f\u3060 proper \u306a\u30a4\u30c7\u30a2\u30eb\u3067\u3042\u308c\u3070\u300c\u4f55\u3067\u3042\u3063\u3066\u3082\u300d\u540c\u69d8\u306e\u7d50\u8ad6\u304c\u5f97\u3089\u308c\u308b\u3002\u7d20\u6734\u306a\u96c6\u5408\u8ad6 - \u3089\u3093\u3060\u3080\u306a\u8a18\u61b6\u3067\u89e6\u308c\u305f Zermelo-Fraenkel \u516c\u7406\u7cfb\u306b\u304a\u3044\u3066\u306f\u9078\u629e\u516c\u7406 (axiom of choice) \u3068 Zorn \u306e\u88dc\u984c\u306f\u540c\u5024\u3067\u3042\u308b\u3002ZF \u306b\u9078\u629e\u516c\u7406 (C) \u3092\u52a0\u3048\u305f ZFC \u306e\u4e0a\u3067\u8b70\u8ad6\u3059\u308b\u9650\u308a\u3067\u306f Zorn \u306e\u88dc\u984c\u306f\u7121\u5c3d\u8535\u306b\u5229\u7528\u3067\u304d\u3066\u3057\u307e\u3046\u3002\u3057\u304b\u3057\u3053\u3044\u3064\u2026","author_url":"https://blog.hatena.ne.jp/derwind/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frandommemory.hatenablog.com%2Fentry%2F2016%2F01%2F25%2F220247\" title=\"Zorn\u306e\u88dc\u984c - \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>","categories":["math-other"],"blog_title":"\u3089\u3093\u3060\u3080\u306a\u8a18\u61b6","url":"https://randommemory.hatenablog.com/entry/2016/01/25/220247","height":"190","author_name":"derwind"}