{"description":"\u9014\u4e2d\u307e\u3067\u3060\u3002A\u2286N \u304c\u3001\u6b21\u306e3\u3064\u306e\u6027\u8cea\u3092\u6301\u3064\u3068\u3059\u308b\u3002 A\u306f\u7a7a\u3067\u306f\u306a\u3044 ---(1) n\u2208A \u21d2 -n\u2208A ---(2) n, m\u2208A \u21d2 n+m\u2208A ---(3) \u3053\u306e\u3068\u304d\u3001\u975e\u8ca0\u6574\u6570k\u304c\u3042\u3063\u3066\u3001 n\u2208A \u21d4 n\u306fk\u306e\u500d\u6570 ---(4) \u4e0a\u306e\u30d1\u30e9\u30b0\u30e9\u30d5\u3092\u307e\u3068\u3081\u308b\u3068\u3001 $(1)\u2227$(2)\u2227$(3) \u21d2 \u2203k st \u975e\u8ca0\u6574\u6570.$(4) \u3057\u304b\u3057\u3001\u6761\u4ef6\u306f\u5168\u79f0\u304c\u4ed8\u3044\u3066\u3044\u308b\u306f\u305a\u3060\u304b\u3089\u3001 A\u306f\u7a7a\u3067\u306f\u306a\u3044 ---(1) \u2200n:N. n\u2208A \u21d2 -n\u2208A ---(2) \u2200n, m:N. n, m\u2208A \u21d2 n+m\u2208A ---(3) \u307e\u305f\u3001\u81ea\u7531\u5909\u6570A\u306fPow(N)\u3092\u8d70\u308b\u306e\u3067\u3001 \u2200A st A\u2286N.( $(1)\u2227$(2\u2026","type":"rich","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fm-hiyama-memo.hatenablog.jp%2Fentry%2F20180523%2F1527053902\" title=\"\u52a0\u6cd5\u9589\u306a\u5bfe\u79f0\u96c6\u5408\u306f\u3001\u500d\u6570\u96c6\u5408\u3067\u3042\u308b - (\u4fdd\u5b58\u7528) \u6a9c\u5c71\u6b63\u5e78\u306e\u30ad\u30de\u30a4\u30e9\u98fc\u80b2\u8a18 \u30e1\u30e2\u7de8\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"(\u4fdd\u5b58\u7528) \u6a9c\u5c71\u6b63\u5e78\u306e\u30ad\u30de\u30a4\u30e9\u98fc\u80b2\u8a18 \u30e1\u30e2\u7de8","width":"100%","categories":["\u8a3c\u660e\u30b7\u30a7\u30eb","\u534a\u5f62\u5f0f\u8a3c\u660e\u30b9\u30af\u30ea\u30d7\u30c8","\u5177\u4f53\u4f8b"],"blog_url":"https://m-hiyama-memo.hatenablog.jp/","image_url":null,"url":"https://m-hiyama-memo.hatenablog.jp/entry/20180523/1527053902","author_url":"https://blog.hatena.ne.jp/m-hiyama-memo/","title":"\u52a0\u6cd5\u9589\u306a\u5bfe\u79f0\u96c6\u5408\u306f\u3001\u500d\u6570\u96c6\u5408\u3067\u3042\u308b","published":"2018-05-23 14:38:22","provider_url":"https://hatena.blog","height":"190","version":"1.0","author_name":"m-hiyama-memo"}