{"author_name":"fortran66","blog_title":"fortran66\u306e\u30d6\u30ed\u30b0","version":"1.0","width":"100%","image_url":"https://m.media-amazon.com/images/I/41A1XZBJNRL._SL160_.jpg","blog_url":"https://fortran66.hatenablog.com/","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/fortran66/","title":"\u3010\u30e1\u30e2\u5e33\u3011N Wirth ","provider_name":"Hatena Blog","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ffortran66.hatenablog.com%2Fentry%2F2020%2F03%2F13%2F015916\" title=\"\u3010\u30e1\u30e2\u5e33\u3011N Wirth  - fortran66\u306e\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":[],"url":"https://fortran66.hatenablog.com/entry/2020/03/13/015916","height":"190","description":"N. Wirth, The Essence of Programming Languages link.springer.com 4 Language Semantics While disregarding details and further unresolved difficulties, we emphasize that the language\u2019s definition must be stated in terms of mathematical formulae and be free of references to any mechanism for execution.\u2026","published":"2020-03-13 01:59:16"}