{"version":"1.0","image_url":null,"author_name":"contractio","categories":["Luhmann","GaI"],"url":"https://contractio.hateblo.jp/entry/19650128/p0","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcontractio.hateblo.jp%2Fentry%2F19650128%2Fp0\" title=\"  - \u5442\u5f8b / a mode distinction\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":" ","width":"100%","blog_title":"\u5442\u5f8b / a mode distinction","blog_url":"https://contractio.hateblo.jp/","height":"190","provider_name":"Hatena Blog","published":"1965-01-28 00:00:00","type":"rich","description":"isbn:4833221438","author_url":"https://blog.hatena.ne.jp/contractio/"}