{"id":4706,"date":"2015-01-08T14:05:05","date_gmt":"2015-01-08T13:05:05","guid":{"rendered":"https:\/\/www.glc.us.es\/~jalonso\/vestigium\/?p=4706"},"modified":"2015-01-08T14:06:12","modified_gmt":"2015-01-08T13:06:12","slug":"resena-certified-kruskals-tree-theorem","status":"publish","type":"post","link":"https:\/\/www.glc.us.es\/~jalonso\/vestigium\/resena-certified-kruskals-tree-theorem\/","title":{"rendered":"Rese\u00f1a: Certified Kruskal&#8217;s tree theorem"},"content":{"rendered":"<p>Se ha publicado un art\u00edculo de razonamiento formalizado en Isabelle\/HOL titulado <a href=\"http:\/\/bit.ly\/1DlXHwr\">Certified Kruskal&#8217;s tree theorem<\/a><\/p>\n<p>Su autor es <a href=\"http:\/\/bit.ly\/1xIHjTc\">Christian Sternagel<\/a> (del <a href=\"http:\/\/cl-informatik.uibk.ac.at\">Computational Logic Research Group<\/a> en la Univ. de Insbruck, Austria).<\/p>\n<p>Su resumen es<\/p>\n<blockquote><p>\n  This article presents the first formalization of Kurskal&#8217;s tree theorem in a proof assistant. The Isabelle\/HOL development is along the lines of Nash-Williams&#8217; original minimal bad sequence argument for proving the tree theorem. Along the way, proofs of Dickson&#8217;s lemma and Higman&#8217;s lemma, as well as some technical details of the formalization are discussed.\n<\/p><\/blockquote>\n<p>El trabajo se ha publicado en <a href=\"http:\/\/jfr.unibo.it\/article\/view\/4213\">Journal of Formalized Reasoning<\/a>.<\/p>\n<p>El c\u00f3digo de las correspondientes teor\u00edas en Isabelle\/HOL se encuentra <a href=\"http:\/\/cl-informatik.uibk.ac.at\/software\/ceta\">aqu\u00ed<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Se ha publicado un art\u00edculo de razonamiento formalizado en Isabelle\/HOL titulado Certified Kruskal&#8217;s tree theorem Su autor es Christian Sternagel (del Computational Logic Research Group en la Univ. de Insbruck, Austria). Su resumen es This article presents the first formalization of Kurskal&#8217;s tree theorem in a proof assistant. The Isabelle\/HOL development is along the lines&#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":[144,285],"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\/4706"}],"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=4706"}],"version-history":[{"count":2,"href":"https:\/\/www.glc.us.es\/~jalonso\/vestigium\/wp-json\/wp\/v2\/posts\/4706\/revisions"}],"predecessor-version":[{"id":4708,"href":"https:\/\/www.glc.us.es\/~jalonso\/vestigium\/wp-json\/wp\/v2\/posts\/4706\/revisions\/4708"}],"wp:attachment":[{"href":"https:\/\/www.glc.us.es\/~jalonso\/vestigium\/wp-json\/wp\/v2\/media?parent=4706"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/vestigium\/wp-json\/wp\/v2\/categories?post=4706"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/vestigium\/wp-json\/wp\/v2\/tags?post=4706"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}