{"id":"https://openalex.org/W1985240925","doi":"https://doi.org/10.1007/s00153-008-0080-8","title":"Harrington\u2019s conservation theorem redone","display_name":"Harrington\u2019s conservation theorem redone","publication_year":2008,"publication_date":"2008-05-30","ids":{"openalex":"https://openalex.org/W1985240925","doi":"https://doi.org/10.1007/s00153-008-0080-8","mag":"1985240925"},"language":"en","primary_location":{"id":"doi:10.1007/s00153-008-0080-8","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00153-008-0080-8","pdf_url":null,"source":{"id":"https://openalex.org/S188076996","display_name":"Archive for Mathematical Logic","issn_l":"0933-5846","issn":["0933-5846","1432-0665"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Archive for Mathematical Logic","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5043193622","display_name":"Fernando Ferreira","orcid":"https://orcid.org/0000-0002-8693-7210"},"institutions":[{"id":"https://openalex.org/I141596103","display_name":"University of Lisbon","ror":"https://ror.org/01c27hj86","country_code":"PT","type":"education","lineage":["https://openalex.org/I141596103"]}],"countries":["PT"],"is_corresponding":true,"raw_author_name":"Fernando Ferreira","raw_affiliation_strings":["Departamento de Matem\u00e1tica, Universidade de Lisboa, 1749-016, Lisboa, Portugal","Departamento de Matem\u00e1tica, Universidade de Lisboa, Lisboa, Portugal"],"affiliations":[{"raw_affiliation_string":"Departamento de Matem\u00e1tica, Universidade de Lisboa, 1749-016, Lisboa, Portugal","institution_ids":["https://openalex.org/I141596103"]},{"raw_affiliation_string":"Departamento de Matem\u00e1tica, Universidade de Lisboa, Lisboa, Portugal","institution_ids":["https://openalex.org/I141596103"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5012426547","display_name":"Gilda Ferreira","orcid":"https://orcid.org/0000-0003-1447-9764"},"institutions":[{"id":"https://openalex.org/I141596103","display_name":"University of Lisbon","ror":"https://ror.org/01c27hj86","country_code":"PT","type":"education","lineage":["https://openalex.org/I141596103"]},{"id":"https://openalex.org/I166337079","display_name":"Queen Mary University of London","ror":"https://ror.org/026zzn846","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I166337079"]}],"countries":["GB","PT"],"is_corresponding":false,"raw_author_name":"Gilda Ferreira","raw_affiliation_strings":["CMAF, Universidade de Lisboa, 1649-003, Lisboa, Portugal","Queen Mary, University of London","CMAF, Universidade de Lisboa"],"affiliations":[{"raw_affiliation_string":"CMAF, Universidade de Lisboa, 1649-003, Lisboa, Portugal","institution_ids":["https://openalex.org/I141596103"]},{"raw_affiliation_string":"Queen Mary, University of London","institution_ids":["https://openalex.org/I166337079"]},{"raw_affiliation_string":"CMAF, Universidade de Lisboa","institution_ids":["https://openalex.org/I141596103"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5043193622"],"corresponding_institution_ids":["https://openalex.org/I141596103"],"apc_list":{"value":2390,"currency":"EUR","value_usd":2990},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.06764458,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"47","issue":"2","first_page":"91","last_page":"100"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12002","display_name":"Computability, Logic, AI Algorithms","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12002","display_name":"Computability, Logic, AI Algorithms","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10126","display_name":"Logic, programming, and type systems","score":0.9810000061988831,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.9557999968528748,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/forcing","display_name":"Forcing (mathematics)","score":0.8372976779937744},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.7885645627975464},{"id":"https://openalex.org/keywords/argument","display_name":"Argument (complex analysis)","score":0.7752763032913208},{"id":"https://openalex.org/keywords/proof-theory","display_name":"Proof theory","score":0.48975706100463867},{"id":"https://openalex.org/keywords/order","display_name":"Order (exchange)","score":0.4862598180770874},{"id":"https://openalex.org/keywords/calculus","display_name":"Calculus (dental)","score":0.46502968668937683},{"id":"https://openalex.org/keywords/mathematical-proof","display_name":"Mathematical proof","score":0.44159987568855286},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.42806994915008545},{"id":"https://openalex.org/keywords/structural-proof-theory","display_name":"Structural proof theory","score":0.41689518094062805},{"id":"https://openalex.org/keywords/analytic-proof","display_name":"Analytic proof","score":0.41379034519195557},{"id":"https://openalex.org/keywords/direct-proof","display_name":"Direct proof","score":0.411271333694458},{"id":"https://openalex.org/keywords/algebra-over-a-field","display_name":"Algebra over a field","score":0.38037925958633423},{"id":"https://openalex.org/keywords/mathematical-economics","display_name":"Mathematical economics","score":0.36643874645233154},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.28368642926216125},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.06658446788787842},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.045528262853622437}],"concepts":[{"id":"https://openalex.org/C197115733","wikidata":"https://www.wikidata.org/wiki/Q1003136","display_name":"Forcing (mathematics)","level":2,"score":0.8372976779937744},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.7885645627975464},{"id":"https://openalex.org/C98184364","wikidata":"https://www.wikidata.org/wiki/Q1780131","display_name":"Argument (complex analysis)","level":2,"score":0.7752763032913208},{"id":"https://openalex.org/C2318724","wikidata":"https://www.wikidata.org/wiki/Q852732","display_name":"Proof theory","level":3,"score":0.48975706100463867},{"id":"https://openalex.org/C182306322","wikidata":"https://www.wikidata.org/wiki/Q1779371","display_name":"Order (exchange)","level":2,"score":0.4862598180770874},{"id":"https://openalex.org/C2777686260","wikidata":"https://www.wikidata.org/wiki/Q144037","display_name":"Calculus (dental)","level":2,"score":0.46502968668937683},{"id":"https://openalex.org/C108710211","wikidata":"https://www.wikidata.org/wiki/Q11538","display_name":"Mathematical proof","level":2,"score":0.44159987568855286},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.42806994915008545},{"id":"https://openalex.org/C195653647","wikidata":"https://www.wikidata.org/wiki/Q7625047","display_name":"Structural proof theory","level":4,"score":0.41689518094062805},{"id":"https://openalex.org/C135754263","wikidata":"https://www.wikidata.org/wiki/Q4751136","display_name":"Analytic proof","level":3,"score":0.41379034519195557},{"id":"https://openalex.org/C161505775","wikidata":"https://www.wikidata.org/wiki/Q3240280","display_name":"Direct proof","level":2,"score":0.411271333694458},{"id":"https://openalex.org/C136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","level":2,"score":0.38037925958633423},{"id":"https://openalex.org/C144237770","wikidata":"https://www.wikidata.org/wiki/Q747534","display_name":"Mathematical economics","level":1,"score":0.36643874645233154},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.28368642926216125},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.06658446788787842},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.045528262853622437},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C199343813","wikidata":"https://www.wikidata.org/wiki/Q12128","display_name":"Dentistry","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1007/s00153-008-0080-8","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00153-008-0080-8","pdf_url":null,"source":{"id":"https://openalex.org/S188076996","display_name":"Archive for Mathematical Logic","issn_l":"0933-5846","issn":["0933-5846","1432-0665"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Archive for Mathematical Logic","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.217.9954","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.217.9954","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://alf1.cii.fc.ul.pt/~ferferr/harrington.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.599.4777","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.599.4777","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.eecs.qmul.ac.uk/~gilda/Harrington_revised.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320334779","display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","ror":"https://ror.org/00snfqn58"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W9698083","https://openalex.org/W132036571","https://openalex.org/W1485672136","https://openalex.org/W1493890316","https://openalex.org/W1556453281","https://openalex.org/W1590304156","https://openalex.org/W1601654835","https://openalex.org/W2004219814","https://openalex.org/W2008055057","https://openalex.org/W2038447110","https://openalex.org/W2060030023","https://openalex.org/W2085905338","https://openalex.org/W2086046439","https://openalex.org/W2097978997","https://openalex.org/W2139227798","https://openalex.org/W2573016414","https://openalex.org/W2908250557","https://openalex.org/W3039529476","https://openalex.org/W4211036707","https://openalex.org/W4239618235","https://openalex.org/W4239742442"],"related_works":["https://openalex.org/W187835144","https://openalex.org/W171706349","https://openalex.org/W1858809161","https://openalex.org/W2611984052","https://openalex.org/W1586813864","https://openalex.org/W1500659951","https://openalex.org/W1988045573","https://openalex.org/W153148314","https://openalex.org/W2953934790","https://openalex.org/W1490847896"],"abstract_inverted_index":null,"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}