{"published":"2025-05-17 19:39:55","blog_url":"https://maxima.hatenablog.jp/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmaxima.hatenablog.jp%2Fentry%2F2025%2F05%2F17%2F193955\" title=\"-\u6570\u5b66- \u78ba\u7387\u3068Lean4\u3000\u30b3\u30a4\u30f3\u30922\u56de\u6295\u3052\u3066\u8868\u304c2\u56de\u51fa\u308b\u5834\u5408 - 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/","height":"190","description":"\u524d\u56de\u306f\u30b3\u30a4\u30f3\u30922\u56de\u6295\u3052\u308b\u8a66\u884c\u306ePMF\uff08\u78ba\u7387\u8cea\u91cf\u95a2\u6570\uff09\u306b\u3088\u308b\u8a18\u8ff0\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u30012\u56de\u3068\u3082\u540c\u3058\u9762\u304c\u3067\u308b\u78ba\u7387\u4e8b\u8c61\u306e\u8a18\u8ff0\u306e\u4ed5\u65b9\u3068\u78ba\u7387\u3092\u8a3c\u660e\u3057\u307e\u3057\u305f\u3002 \u4eca\u56de\u306f\u540c\u3058\u3088\u3046\u306b2\u56de\u6295\u3052\u308b\u8a66\u884c\u30672\u56de\u3068\u3082\u8868\u304c\u51fa\u308b\u78ba\u7387\u4e8b\u8c61\u306e\u8a18\u8ff0\u3092\u884c\u3044\u3001\u305d\u306e\u78ba\u7387\u304c1/4\u3067\u3042\u308b\u3053\u3068\u3092\u8a3c\u660e\u3057\u307e\u3059\u3002 noncomputabledef two_coins_one_one : PMF (ZMod 2) := do let b1 \u2190 coin_toss let b2 \u2190 coin_toss pure (b1*b2) -- b1*b2=1 only when b1=1 and b2=1 \u3053\u306e\u5834\u5408\u306b\u306fpure\u306e\u5f15\u6570\u306b\u306fZMod 2\u578b\u306e\u7a4d\u3092\u4f7f\u3063\u3066b1*b\u2026","url":"https://maxima.hatenablog.jp/entry/2025/05/17/193955","provider_url":"https://hatena.blog","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/j/jurupapa/20250510/20250510155306.jpg","blog_title":"Maxima \u3067\u7db4\u308b\u6570\u5b66\u306e\u65c5","version":"1.0","type":"rich","author_name":"jurupapa","title":"-\u6570\u5b66- \u78ba\u7387\u3068Lean4\u3000\u30b3\u30a4\u30f3\u30922\u56de\u6295\u3052\u3066\u8868\u304c2\u56de\u51fa\u308b\u5834\u5408","provider_name":"Hatena Blog","categories":["\u6570\u5b66"],"width":"100%"}