{"title":"-\u6570\u5b66- Lean4\u306e\u304a\u52c9\u5f37\u3000\u95a2\u6570\u578b\u8a00\u8a9e\u304c\u8a3c\u660e\u306b\u9854\u3092\u3060\u3059","categories":[],"url":"https://maxima.hatenablog.jp/entry/2024/02/19/181244","description":"Lean4\u3092\u8a3c\u660e\u652f\u63f4\u7cfb\u3068\u3057\u3066\u4f7f\u3063\u3066\u3044\u3066\u3082\u3001\u578b\u3068\u8a3c\u660e\u306e\u5bfe\u5fdc\u3084\u95a2\u6570\u578b\u8a00\u8a9e\u304c\u7a81\u7136\u73fe\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u3053\u3068\u3092\u77e5\u3063\u3066\u3044\u306a\u3044\u3068\u8a3c\u660e\u304c\u8aad\u3081\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3057\u305f\u3002 \u5177\u4f53\u7684\u306b\u306f\u4f8b\u3048\u3070\u3042\u308b\u5b9a\u7406\u304c\u3053\u3093\u306a\u5f62\u3060\u3063\u305f\u3068\u3057\u307e\u3059\u3002 def P (x:\u2115) : Prop := sorrytheorem theoA : \u2200 x > 3, P x := sorry P x\u3092\u547d\u984c\u3068\u3057\u3066x\u304c3\u3088\u308a\u5927\u304d\u3044\u5834\u5408\u306fP x\u304c\u6210\u308a\u7acb\u3064\u3001\u3068\u3044\u3046\u306e\u304ctheoA\u3068\u3044\u3046\u5b9a\u7406\u3067\u3059\u3002 \u5f53\u7136P 4\u306f4>3\u306a\u306e\u3067\u6210\u308a\u7acb\u3064\u306f\u305a\u3067\u3059\u3002\u8a3c\u660e\u306f\u666e\u901a\u306f\u3053\u3093\u306a\u3075\u3046\u306b\u3084\u308b\u3068\u601d\u3046\u306e\u3067\u3059\u3002 example : P 4 := by apply theoA -- \u22a2 4 > \u2026","published":"2024-02-19 18:12:44","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/jurupapa/","blog_url":"https://maxima.hatenablog.jp/","provider_url":"https://hatena.blog","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/j/jurupapa/20240219/20240219175747.jpg","blog_title":"Maxima \u3067\u7db4\u308b\u6570\u5b66\u306e\u65c5","version":"1.0","type":"rich","height":"190","author_name":"jurupapa","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmaxima.hatenablog.jp%2Fentry%2F2024%2F02%2F19%2F181244\" title=\"-\u6570\u5b66- Lean4\u306e\u304a\u52c9\u5f37\u3000\u95a2\u6570\u578b\u8a00\u8a9e\u304c\u8a3c\u660e\u306b\u9854\u3092\u3060\u3059 - 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>","width":"100%"}