{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Franha.hatenadiary.org%2Fentry%2F20100421%2F1271779031\" title=\"fresh vs forall - Yet Another Ranha\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","blog_url":"https://ranha.hatenadiary.org/","width":"100%","provider_name":"Hatena Blog","title":"fresh vs forall","author_name":"ranha","author_url":"https://blog.hatena.ne.jp/ranha/","type":"rich","url":"https://ranha.hatenadiary.org/entry/20100421/1271779031","published":"2010-04-21 00:57:11","image_url":null,"provider_url":"https://hatena.blog","description":"tm : type. step : tm -> tm -> type. sn : tm -> type. sn_ : ({U:tm} step T U -> sn U) -> sn T. lem : (sn T) -> (step T U) -> (sn U) -> type. %mode lem +D1 +D2 -D3. lem_pr : lem (sn_ Pred : sn T) (StepTU : step T U) (Pred U StepTU). %terminates {} (lem _ _ _).\u307e\u305a\u305d\u3082\u305d\u3082\u306e\u6240\u3001\u3053\u308c\u3067\u4e0a\u624b\u304f\u3084\u308a\u305f\u3044\u4e8b\u304c\u51fa\u6765\u3066\u3044\u308b\u306e\u304b\u3069\u3046\u304b\u5206\u304b\u3089\u306a\u3044\u306e\u3067\u3059\u304c\u30fb\u30fb\u2026","blog_title":"Yet Another Ranha","categories":[],"height":"190"}