{"published":"2016-01-16 22:25:58","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frandommemory.hatenablog.com%2Fentry%2F2016%2F01%2F16%2F222558\" title=\"\u570f\u8ad6(7) - \u3089\u3093\u3060\u3080\u306a\u8a18\u61b6\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"categories":["math-category"],"height":"190","author_url":"https://blog.hatena.ne.jp/derwind/","author_name":"derwind","provider_name":"Hatena Blog","blog_title":"\u3089\u3093\u3060\u3080\u306a\u8a18\u61b6","blog_url":"https://randommemory.hatenablog.com/","type":"rich","description":"\u7279\u306b\u5199\u50cf\u3068\u3044\u3046\u308f\u3051\u3067\u3082\u306a\u3044 arrow \u3092\u8003\u3048\u3066\u307f\u305f\u306e\u3067\u3001\u5c11\u3057\u8ad6\u7406\u5b66\u7684\u306a\u3053\u3068\u3092\u8003\u3048\u3066\u307f\u305f\u3044\u3002 objects \u3068\u3057\u3066\u300c\u547d\u984c\u300d\u3092\u3068\u308b\u3002\u547d\u984c\u3068\u306f\u305d\u3082\u305d\u3082\u4f55\u304b\uff1f\u3068\u3044\u3046\u985e\u306e\u3053\u3068\u306f\u7121\u8996\u3059\u308b\u3002 objects: $P, Q, R, \\cdots$ \u3092\u547d\u984c\u3068\u3059\u308b\u3002 arrow \u3068\u3057\u3066\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u3092\u8003\u3048\u308b: \\begin{equation} P \\to Q \\iff P \\ \\text{\u306a\u3089\u3070}\\ Q \\end{equation} \u8a18\u53f7\u8ad6\u7406\u5b66\u306b\u304a\u3051\u308b\u771f\u7406\u51fd\u6570\u3068\u3057\u3066\u306e\u300c\u306a\u3089\u3070\u300d\u306f\u304b\u306a\u308a\u96e3\u3057\u3044\u306e\u3067\u3001\u3042\u307e\u308a\u6c17\u306b\u3057\u306a\u3044\u3067\u304a\u304f\u3002*1\u570f\u8ad6(1) - \u3089\u3093\u3060\u3080\u306a\u8a18\u61b6\u3067\u66f8\u304d\u4e0b\u3057\u305f\u5b9a\u7fa9\u3092\u601d\u3044\u51fa\u3059\u3002domain, codom\u2026","version":"1.0","provider_url":"https://hatena.blog","title":"\u570f\u8ad6(7)","url":"https://randommemory.hatenablog.com/entry/2016/01/16/222558"}