{"id":4370,"date":"2014-07-11T07:23:41","date_gmt":"2014-07-11T05:23:41","guid":{"rendered":"https:\/\/www.glc.us.es\/~jalonso\/vestigium\/?p=4370"},"modified":"2014-07-11T07:26:17","modified_gmt":"2014-07-11T05:26:17","slug":"resena-towards-a-formally-verified-proof-assistant","status":"publish","type":"post","link":"https:\/\/www.glc.us.es\/~jalonso\/vestigium\/resena-towards-a-formally-verified-proof-assistant\/","title":{"rendered":"Rese\u00f1a: Towards a formally verified proof assistant"},"content":{"rendered":"<p>Se ha publicado un art\u00edculo de razonamiento formalizado en <a href=\"http:\/\/coq.inria.fr\">Coq<\/a> titulado <a href=\"http:\/\/bit.ly\/1s13stK\">Towards a formally verified proof assistant<\/a>.<\/p>\n<p>Sus autores son <a href=\"http:\/\/www.cs.cornell.edu\/~aa755\">Abhishek Anand<\/a> y <a href=\"http:\/\/www.cs.cornell.edu\/~rahli\">Vincent Rahli<\/a> (de la <em>Cornell University<\/em>).<\/p>\n<p>Su resumen es<\/p>\n<blockquote><p>\n  This paper presents a formalization of Nuprl&#8217;s metatheory in Coq. It includes a nominal-style definition of the Nuprl language, its reduction rules, a coinductive computational equivalence, and a Curry-style type system where a type is defined as a <em>Partial Equivalence Relation<\/em> (PER) \u00e0 la Allen. This type system includes Martin-L\u00f6f dependent types, a hierarchy of universes, inductive types and partial types. We then prove that the typehood rules of Nuprl are valid w.r.t. this PER semantics and hence reduce Nuprl&#8217;s consistency to Coq&#8217;s consistency.\n<\/p><\/blockquote>\n<p>El trabajo se presentar\u00e1 el lunes 14 de julio en el <a href=\"http:\/\/www.cs.uwyo.edu\/~ruben\/itp-2014\">ITP 2014<\/a> (<em>5th Conference on Interactive Theorem Proving<\/em>).<\/p>\n<p>El c\u00f3digo de las correspondientes teor\u00edas en Coq se encuentra <a href=\"http:\/\/www.nuprl.org\/html\/Nuprl2Coq\">aqu\u00ed<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Se ha publicado un art\u00edculo de razonamiento formalizado en Coq titulado Towards a formally verified proof assistant. Sus autores son Abhishek Anand y Vincent Rahli (de la Cornell University). Su resumen es This paper presents a formalization of Nuprl&#8217;s metatheory in Coq. It includes a nominal-style definition of the Nuprl language, its reduction rules, a&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"footnotes":"","_jetpack_memberships_contains_paid_content":false},"categories":[100],"tags":[45,224,285],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_likes_enabled":false,"_links":{"self":[{"href":"https:\/\/www.glc.us.es\/~jalonso\/vestigium\/wp-json\/wp\/v2\/posts\/4370"}],"collection":[{"href":"https:\/\/www.glc.us.es\/~jalonso\/vestigium\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.glc.us.es\/~jalonso\/vestigium\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/vestigium\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/vestigium\/wp-json\/wp\/v2\/comments?post=4370"}],"version-history":[{"count":3,"href":"https:\/\/www.glc.us.es\/~jalonso\/vestigium\/wp-json\/wp\/v2\/posts\/4370\/revisions"}],"predecessor-version":[{"id":4373,"href":"https:\/\/www.glc.us.es\/~jalonso\/vestigium\/wp-json\/wp\/v2\/posts\/4370\/revisions\/4373"}],"wp:attachment":[{"href":"https:\/\/www.glc.us.es\/~jalonso\/vestigium\/wp-json\/wp\/v2\/media?parent=4370"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/vestigium\/wp-json\/wp\/v2\/categories?post=4370"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/vestigium\/wp-json\/wp\/v2\/tags?post=4370"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}