{"id":"https://openalex.org/W2072482794","doi":"https://doi.org/10.1002/malq.19860320107","title":"Extensionality in Zermelo\u2010Fraenkel Set Theory","display_name":"Extensionality in Zermelo\u2010Fraenkel Set Theory","publication_year":1986,"publication_date":"1986-01-01","ids":{"openalex":"https://openalex.org/W2072482794","doi":"https://doi.org/10.1002/malq.19860320107","mag":"2072482794"},"language":"en","primary_location":{"id":"doi:10.1002/malq.19860320107","is_oa":false,"landing_page_url":"https://doi.org/10.1002/malq.19860320107","pdf_url":null,"source":{"id":"https://openalex.org/S172351290","display_name":"Mathematical logic quarterly","issn_l":"0942-5616","issn":["0942-5616","1521-3870"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Mathematical Logic Quarterly","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/A5086593109","display_name":"Roland Hinnion","orcid":null},"institutions":[{"id":"https://openalex.org/I132053463","display_name":"Universit\u00e9 Libre de Bruxelles","ror":"https://ror.org/01r9htc13","country_code":"BE","type":"education","lineage":["https://openalex.org/I132053463"]}],"countries":["BE"],"is_corresponding":true,"raw_author_name":"R. Hinnion","raw_affiliation_strings":["Universite\u0301 Libre de Bruxelles Faculte\u0301 des Sciences Economiques, Politiques et Sociales, CP 135 50, Avenue Roosevelt 1050 Bruxelles, Belgique","Universit\u00e9 Libre de Bruxelles Facult\u00e9 des Sciences Economiques, Politiques et Sociales, CP 135 50, Avenue Roosevelt 1050 Bruxelles, Belgique"],"affiliations":[{"raw_affiliation_string":"Universite\u0301 Libre de Bruxelles Faculte\u0301 des Sciences Economiques, Politiques et Sociales, CP 135 50, Avenue Roosevelt 1050 Bruxelles, Belgique","institution_ids":["https://openalex.org/I132053463"]},{"raw_affiliation_string":"Universit\u00e9 Libre de Bruxelles Facult\u00e9 des Sciences Economiques, Politiques et Sociales, CP 135 50, Avenue Roosevelt 1050 Bruxelles, Belgique","institution_ids":["https://openalex.org/I132053463"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5086593109"],"corresponding_institution_ids":["https://openalex.org/I132053463"],"apc_list":{"value":2630,"currency":"USD","value_usd":2630},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.2258175,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":"32","issue":"1-5","first_page":"51","last_page":"60"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11727","display_name":"Advanced Algebra and Logic","score":0.9940000176429749,"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/T11727","display_name":"Advanced Algebra and Logic","score":0.9940000176429749,"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/T11151","display_name":"Advanced Topology and Set Theory","score":0.9876999855041504,"subfield":{"id":"https://openalex.org/subfields/2608","display_name":"Geometry and Topology"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.9818999767303467,"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/extensionality","display_name":"Extensionality","score":0.8846324682235718},{"id":"https://openalex.org/keywords/citation","display_name":"Citation","score":0.6104051470756531},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5411325097084045},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.42393773794174194},{"id":"https://openalex.org/keywords/mathematical-economics","display_name":"Mathematical economics","score":0.35728126764297485},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3386033773422241},{"id":"https://openalex.org/keywords/library-science","display_name":"Library science","score":0.2451222836971283},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.22557884454727173},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.06912460923194885}],"concepts":[{"id":"https://openalex.org/C150355047","wikidata":"https://www.wikidata.org/wiki/Q965432","display_name":"Extensionality","level":2,"score":0.8846324682235718},{"id":"https://openalex.org/C2778805511","wikidata":"https://www.wikidata.org/wiki/Q1713","display_name":"Citation","level":2,"score":0.6104051470756531},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5411325097084045},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.42393773794174194},{"id":"https://openalex.org/C144237770","wikidata":"https://www.wikidata.org/wiki/Q747534","display_name":"Mathematical economics","level":1,"score":0.35728126764297485},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3386033773422241},{"id":"https://openalex.org/C161191863","wikidata":"https://www.wikidata.org/wiki/Q199655","display_name":"Library science","level":1,"score":0.2451222836971283},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.22557884454727173},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.06912460923194885}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1002/malq.19860320107","is_oa":false,"landing_page_url":"https://doi.org/10.1002/malq.19860320107","pdf_url":null,"source":{"id":"https://openalex.org/S172351290","display_name":"Mathematical logic quarterly","issn_l":"0942-5616","issn":["0942-5616","1521-3870"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Mathematical Logic Quarterly","raw_type":"journal-article"},{"id":"pmh:oai:dipot.ulb.ac.be:2013/237084","is_oa":false,"landing_page_url":"http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/237084","pdf_url":null,"source":{"id":"https://openalex.org/S4306401063","display_name":"D\u00e9p\u00f4t institutionnel de l'Universit\u00e9 libre de Bruxelles (Universit\u00e9 Libre de Bruxelles)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I132053463","host_organization_name":"Universit\u00e9 Libre de Bruxelles","host_organization_lineage":["https://openalex.org/I132053463"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Mathematical logic quarterly, 32 (1-5","raw_type":"info:ulb-repo/semantics/openurl/article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":3,"referenced_works":["https://openalex.org/W154666901","https://openalex.org/W1965946010","https://openalex.org/W2051020146"],"related_works":["https://openalex.org/W2110831013","https://openalex.org/W2355215981","https://openalex.org/W4293182746","https://openalex.org/W3122821614","https://openalex.org/W1990163845","https://openalex.org/W2922425779","https://openalex.org/W1849288175","https://openalex.org/W2135423517","https://openalex.org/W1587271064","https://openalex.org/W2062003024"],"abstract_inverted_index":{"SCOPUS:":[0],"ar.j":[1]},"counts_by_year":[{"year":2023,"cited_by_count":2}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}
