{"id":3454,"date":"2013-07-29T04:52:16","date_gmt":"2013-07-29T04:52:16","guid":{"rendered":"https:\/\/www.glc.us.es\/~jalonso\/vestigium\/?p=3454"},"modified":"2013-07-29T04:53:31","modified_gmt":"2013-07-29T04:53:31","slug":"resena-ordinals-in-hol-transfinite-arithmetic-up-to-and-beyond-%cf%89%e2%82%81","status":"publish","type":"post","link":"https:\/\/www.glc.us.es\/~jalonso\/vestigium\/resena-ordinals-in-hol-transfinite-arithmetic-up-to-and-beyond-%cf%89%e2%82%81\/","title":{"rendered":"Rese\u00f1a: &#8220;Ordinals in HOL: Transfinite arithmetic up to (and beyond) \u03c9\u2081&#8221;"},"content":{"rendered":"<p>Se ha publicado un art\u00edculo de razonamiento formalizado en <a href=\"http:\/\/hol.sourceforge.net\">HOL4<\/a> sobre teor\u00eda de conjuntos titulado <a href=\"http:\/\/www.nicta.com.au\/pub?doc=6676&#038;filename=nicta_publication_6676.pdf\">Ordinals in HOL: Transfinite arithmetic up to (and beyond) \u03c9\u2081<\/a>.<\/p>\n<p>Sus autores son <a href=\"http:\/\/nicta.com.au\/people\/norrishm\">Michael Norrish<\/a> (del (<i>Canberra Research Lab., NICTA<\/i>) y <a href=\"http:\/\/web.cecs.pdx.edu\/~brianh\">Brian Huffman<\/a> (de <i>Galois, Inc.<\/i>).<\/p>\n<p>El trabajo se ha presentado esta semana en el <a href=\"http:\/\/itp2013.inria.fr\">ITP 2013<\/a> (<i>4th Conference on<br \/>\nInteractive Theorem Proving<\/i>). <\/p>\n<p>Su resumen es<\/p>\n<blockquote><p>\nWe describe a comprehensive HOL mechanisation of the theory of ordinal numbers, focusing on the basic arithmetic operations. Mechanised results include the existence of fixpoints such as \u03b5\u2080 , the existence of normalforms, and the validation of algorithms used in the ACL2 theorem-proving system.\n<\/p><\/blockquote>\n<p>El c\u00f3digo de las correspondientes teor\u00edas en HOL se encuentra <a href=\"http:\/\/github.com\/mn200\/ordinals-paper\">aqu\u00ed<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Se ha publicado un art\u00edculo de razonamiento formalizado en HOL4 sobre teor\u00eda de conjuntos titulado Ordinals in HOL: Transfinite arithmetic up to (and beyond) \u03c9\u2081. Sus autores son Michael Norrish (del (Canberra Research Lab., NICTA) y Brian Huffman (de Galois, Inc.). El trabajo se ha presentado esta semana en el ITP 2013 (4th Conference on&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","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":[1],"tags":[199,273,285],"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\/3454"}],"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=3454"}],"version-history":[{"count":3,"href":"https:\/\/www.glc.us.es\/~jalonso\/vestigium\/wp-json\/wp\/v2\/posts\/3454\/revisions"}],"predecessor-version":[{"id":3457,"href":"https:\/\/www.glc.us.es\/~jalonso\/vestigium\/wp-json\/wp\/v2\/posts\/3454\/revisions\/3457"}],"wp:attachment":[{"href":"https:\/\/www.glc.us.es\/~jalonso\/vestigium\/wp-json\/wp\/v2\/media?parent=3454"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/vestigium\/wp-json\/wp\/v2\/categories?post=3454"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.glc.us.es\/~jalonso\/vestigium\/wp-json\/wp\/v2\/tags?post=3454"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}