{"id":"https://openalex.org/W1497169550","doi":"https://doi.org/10.1023/a:1005028511181","title":"Preservation Theorems Without Continuum Hypothesis","display_name":"Preservation Theorems Without Continuum Hypothesis","publication_year":1998,"publication_date":"1998-05-01","ids":{"openalex":"https://openalex.org/W1497169550","doi":"https://doi.org/10.1023/a:1005028511181","mag":"1497169550"},"language":"en","primary_location":{"id":"doi:10.1023/a:1005028511181","is_oa":false,"landing_page_url":"https://doi.org/10.1023/a:1005028511181","pdf_url":null,"source":{"id":"https://openalex.org/S30880287","display_name":"Studia Logica","issn_l":"0039-3215","issn":["0039-3215","1572-8730"],"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":"Studia Logica","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/A5112003373","display_name":"George C. Nelson","orcid":null},"institutions":[{"id":"https://openalex.org/I126307644","display_name":"University of Iowa","ror":"https://ror.org/036jqmy94","country_code":"US","type":"education","lineage":["https://openalex.org/I126307644"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"George C. Nelson","raw_affiliation_strings":["Department of Mathematics, The University of Iowa Iowa City, Iowa, 52242, U.S.A","Department of Mathematics The University of Iowa Iowa City, Iowa U.S.A"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics, The University of Iowa Iowa City, Iowa, 52242, U.S.A","institution_ids":["https://openalex.org/I126307644"]},{"raw_affiliation_string":"Department of Mathematics The University of Iowa Iowa City, Iowa U.S.A","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5112003373"],"corresponding_institution_ids":["https://openalex.org/I126307644"],"apc_list":{"value":2290,"currency":"EUR","value_usd":2890},"apc_paid":null,"fwci":0.5101,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.60700458,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"60","issue":"3","first_page":"343","last_page":"355"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11567","display_name":"semigroups and automata theory","score":0.46309998631477356,"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/T11567","display_name":"semigroups and automata theory","score":0.46309998631477356,"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/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.13740000128746033,"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/T10126","display_name":"Logic, programming, and type systems","score":0.07119999825954437,"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/sentence","display_name":"Sentence","score":0.8162423372268677},{"id":"https://openalex.org/keywords/atomic-sentence","display_name":"Atomic sentence","score":0.6193485260009766},{"id":"https://openalex.org/keywords/equivalence","display_name":"Equivalence (formal languages)","score":0.5806251764297485},{"id":"https://openalex.org/keywords/french-horn","display_name":"French horn","score":0.5136193633079529},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5040060877799988},{"id":"https://openalex.org/keywords/horn-clause","display_name":"Horn clause","score":0.46440932154655457},{"id":"https://openalex.org/keywords/logical-equivalence","display_name":"Logical equivalence","score":0.4495035409927368},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.41540759801864624},{"id":"https://openalex.org/keywords/linguistics","display_name":"Linguistics","score":0.338127076625824},{"id":"https://openalex.org/keywords/natural-language-processing","display_name":"Natural language processing","score":0.317097008228302},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.2993357479572296},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.2481948733329773},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.11126399040222168},{"id":"https://openalex.org/keywords/philosophy","display_name":"Philosophy","score":0.08798161149024963}],"concepts":[{"id":"https://openalex.org/C2777530160","wikidata":"https://www.wikidata.org/wiki/Q41796","display_name":"Sentence","level":2,"score":0.8162423372268677},{"id":"https://openalex.org/C34849589","wikidata":"https://www.wikidata.org/wiki/Q4345785","display_name":"Atomic sentence","level":3,"score":0.6193485260009766},{"id":"https://openalex.org/C2780069185","wikidata":"https://www.wikidata.org/wiki/Q7977945","display_name":"Equivalence (formal languages)","level":2,"score":0.5806251764297485},{"id":"https://openalex.org/C152076505","wikidata":"https://www.wikidata.org/wiki/Q1126540","display_name":"French horn","level":2,"score":0.5136193633079529},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5040060877799988},{"id":"https://openalex.org/C189790780","wikidata":"https://www.wikidata.org/wiki/Q933932","display_name":"Horn clause","level":3,"score":0.46440932154655457},{"id":"https://openalex.org/C70846408","wikidata":"https://www.wikidata.org/wiki/Q220433","display_name":"Logical equivalence","level":3,"score":0.4495035409927368},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.41540759801864624},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.338127076625824},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.317097008228302},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.2993357479572296},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2481948733329773},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.11126399040222168},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.08798161149024963},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.0},{"id":"https://openalex.org/C81721847","wikidata":"https://www.wikidata.org/wiki/Q163468","display_name":"Prolog","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1023/a:1005028511181","is_oa":false,"landing_page_url":"https://doi.org/10.1023/a:1005028511181","pdf_url":null,"source":{"id":"https://openalex.org/S30880287","display_name":"Studia Logica","issn_l":"0039-3215","issn":["0039-3215","1572-8730"],"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":"Studia Logica","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/4","score":0.4399999976158142,"display_name":"Quality Education"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W2051474359","https://openalex.org/W2072087802","https://openalex.org/W2799061192","https://openalex.org/W4210288856"],"related_works":["https://openalex.org/W2372612917","https://openalex.org/W1991403408","https://openalex.org/W1521840795","https://openalex.org/W2404351495","https://openalex.org/W2542670467","https://openalex.org/W2600034178","https://openalex.org/W328089188","https://openalex.org/W4245655469","https://openalex.org/W1808107509","https://openalex.org/W2064560955"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2016-06-24T00:00:00"}