{"title":"-\u6570\u5b66- Lean4\u306e\u304a\u52c9\u5f37\u3000\u95a2\u6570","published":"2024-03-04 01:04:07","author_url":"https://blog.hatena.ne.jp/jurupapa/","provider_name":"Hatena Blog","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/j/jurupapa/20240304/20240304002533.jpg","url":"https://maxima.hatenablog.jp/entry/2024/03/04/010407","type":"rich","description":"Mathematics in Lean\u306e\u7b2c4\u7ae0\u300c\u96c6\u5408\u3068\u95a2\u6570\u300d\u306e\u4e2d\u306e\uff12\u3064\u76ee\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u3042\u308b\u300c\u95a2\u6570\u300d\u3092\u8aad\u307f\u306a\u304c\u3089\u7df4\u7fd2\u554f\u984c\u3092\u89e3\u3044\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u554f\u984c\u306e\u4e2d\u3067\u96c6\u5408\u65cf\u306e\u7a4d\u96c6\u5408\u306e\u5199\u50cf\u3068\u96c6\u5408\u65cf\u306e\u5199\u50cf\u306e\u7a4d\u96c6\u5408\u306b\u95a2\u3059\u308b\u554f\u984c\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u5168\u79f0\u91cf\u5316\u5b50\u3068\u5b58\u5728\u91cf\u5316\u5b50\u304c\u7d61\u307f\u3001\u306a\u304b\u306a\u304b\u624b\u5f37\u304b\u3063\u305f\u306e\u3067\u3001\u7d39\u4ecb\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002 \u7df4\u7fd2\u554f\u984c\u3068\u305d\u306e\u8a3c\u660e\u306f\u4e0b\u8a18\u306e\u3068\u304a\u308a\u3067\u3059\u3002 example (i : I) (injf : Injective f) : (\u22c2 i, f '' A i) \u2286 f '' \u22c2 i, A i := by01 intro y h102 simp at h103 simp04 have : (\u2203 x, (\u2200 (j : \u2026","width":"100%","blog_title":"Maxima \u3067\u7db4\u308b\u6570\u5b66\u306e\u65c5","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmaxima.hatenablog.jp%2Fentry%2F2024%2F03%2F04%2F010407\" title=\"-\u6570\u5b66- Lean4\u306e\u304a\u52c9\u5f37\u3000\u95a2\u6570 - 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>","provider_url":"https://hatena.blog","author_name":"jurupapa","categories":["\u6570\u5b66"],"blog_url":"https://maxima.hatenablog.jp/","height":"190"}