{"author_name":"nuhsnuh","categories":["\u5165\u624b\u6587\u732e","\u5165\u624b\u6587\u732e"],"title":"","provider_url":"https://hatena.blog","blog_url":"https://nuhsnuh.hatenablog.jp/","published":"2009-12-13 00:00:00","version":"1.0","image_url":null,"url":"https://nuhsnuh.hatenablog.jp/entry/20091213/p1","provider_name":"Hatena Blog","type":"rich","width":"100%","description":"Henry Maurice Sheffer \u201cA Set of Five Independent Postulates for Boolean Algebras, with Applications to Logical Constants,\u201d in: Transactions of the American Mathematical Society, vol. 14, no. 4, 1913 Nicolas Rescher \u201cThe Berlin School of Logical Empiricism and its Legacy,\u201d in: Erkenntnis, vol. 64, no\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnuhsnuh.hatenablog.jp%2Fentry%2F20091213%2Fp1\" title=\" - nuhsnuh\u2019s blog\" 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/nuhsnuh/","blog_title":"nuhsnuh\u2019s blog","height":"190"}