{"description":"\u4eca\u56de\u3082Mathematics In Lean 4\u306e\u7b2c8\u7ae0 \u7fa4\u3068\u74b0 \u304b\u30898.1.3 \u90e8\u5206\u7fa4\u3092\u8aad\u3093\u3067\u3044\u307e\u3059\u3002\u524d\u56de\u306e\u8a18\u4e8b\u3067\u30e9\u30b0\u30e9\u30f3\u30b8\u30e5\u306e\u5b9a\u7406\u300c\u6709\u9650\u7fa4\u306e\u5143\u306e\u500b\u6570\u306f\u90e8\u5206\u7fa4\u306e\u6e90\u306e\u500b\u6570\u3067\u5272\u308a\u5207\u308c\u308b\u300d\u3092Lean4\u3067\u5f62\u5f0f\u8a3c\u660e\u3057\u307e\u3057\u305f\u3002 maxima.hatenablog.jp \u8a3c\u660e\u306e\u809d\u306fSubgroup.groupEquivQuotientProdSubgroup\u3068\u3044\u3046\u9577\u3044\u540d\u524d\u306e\u5b9a\u7406\u3067\u3059\u3002\u5b9a\u7406\u306e\u5185\u5bb9\u306f\u6b21\u306e\u5f0f\u3067\u3059\u3002 G \u2243 (G \u29f8 G') \u00d7 G' \u3053\u3053\u3067G\u306f\u7fa4\u3001G'\u306f\u305d\u306e\u90e8\u5206\u7fa4\u3067\u3059\u3002G\u29f8G'\u306fG\u3092G'\u3067\u5272\u3063\u305f\u5546\u96c6\u5408\uff08\u540c\u5024\u985e\u306e\u96c6\u5408\uff09\u3067\u3059\u3002\u00d7\u306f\u7fa4\u306e\u76f4\u7a4d\u3001\u2243\u306f\u7fa4\u540c\u578b\u3067\u3059\u3002 \u610f\u5473\u306f\u7fa4\u306f\u305d\u306e\u90e8\u5206\u7fa4\u3067\u5272\u3063\u305f\u5546\u96c6\u5408\u3068\u90e8\u5206\u7fa4\u2026","version":"1.0","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/j/jurupapa/20241225/20241225190442.jpg","author_name":"jurupapa","url":"https://maxima.hatenablog.jp/entry/2024/12/27/000841","published":"2024-12-27 00:08:41","width":"100%","height":"190","title":"-\u6570\u5b66- Lean4\u306e\u304a\u52c9\u5f37\u3000\u30e9\u30b0\u30e9\u30f3\u30b8\u30e5\u306e\u5b9a\u7406\u306e\u7d9a\u304d","blog_url":"https://maxima.hatenablog.jp/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmaxima.hatenablog.jp%2Fentry%2F2024%2F12%2F27%2F000841\" title=\"-\u6570\u5b66- Lean4\u306e\u304a\u52c9\u5f37\u3000\u30e9\u30b0\u30e9\u30f3\u30b8\u30e5\u306e\u5b9a\u7406\u306e\u7d9a\u304d - Maxima \u3067\u7db4\u308b\u6570\u5b66\u306e\u65c5\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/jurupapa/","categories":["\u6570\u5b66"],"provider_name":"Hatena Blog","provider_url":"https://hatena.blog","blog_title":"Maxima \u3067\u7db4\u308b\u6570\u5b66\u306e\u65c5","type":"rich"}