{"id":"https://openalex.org/W21960598","doi":"https://doi.org/10.2307/2025976","title":"The Four-Color Problem and Its Philosophical Significance","display_name":"The Four-Color Problem and Its Philosophical Significance","publication_year":1979,"publication_date":"1979-02-01","ids":{"openalex":"https://openalex.org/W21960598","doi":"https://doi.org/10.2307/2025976","mag":"21960598"},"language":"en","primary_location":{"id":"doi:10.2307/2025976","doi":"https://doi.org/10.2307/2025976","is_oa":false,"landing_page_url":"https://doi.org/10.2307/2025976","pdf_url":null,"source":{"id":"https://openalex.org/S41650241","display_name":"The Journal of Philosophy","issn_l":"0022-362X","issn":["0022-362X","1939-8549"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","erih-plus","jufo-3","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315703","host_organization_name":"Philosophy Documentation Center","host_organization_lineage":["https://openalex.org/P4310315703"],"host_organization_lineage_names":["Philosophy Documentation Center"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Journal of Philosophy","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"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/A5001373288","display_name":"Thomas Tymoczko","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Thomas Tymoczko","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5001373288"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":11.5502,"has_fulltext":false,"cited_by_count":355,"citation_normalized_percentile":{"value":0.98252639,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":100},"biblio":{"volume":"76","issue":"2","first_page":"57","last_page":"57"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12170","display_name":"History and Theory of Mathematics","score":0.3711000084877014,"subfield":{"id":"https://openalex.org/subfields/1207","display_name":"History and Philosophy of Science"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T12170","display_name":"History and Theory of Mathematics","score":0.3711000084877014,"subfield":{"id":"https://openalex.org/subfields/1207","display_name":"History and Philosophy of Science"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T13558","display_name":"Logic and Philosophy of Science","score":0.17159999907016754,"subfield":{"id":"https://openalex.org/subfields/1207","display_name":"History and Philosophy of Science"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11477","display_name":"Epistemology, Ethics, and Metaphysics","score":0.16439999639987946,"subfield":{"id":"https://openalex.org/subfields/1211","display_name":"Philosophy"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/four-color-theorem","display_name":"four-color theorem","score":0.8090000152587891},{"id":"https://openalex.org/keywords/graph-coloring","display_name":"graph coloring","score":0.765999972820282},{"id":"https://openalex.org/keywords/map-coloring","display_name":"map coloring","score":0.6990000009536743},{"id":"https://openalex.org/keywords/philosophy-of-mathematics","display_name":"philosophy of mathematics","score":0.8460000157356262},{"id":"https://openalex.org/keywords/mathematical-proof","display_name":"mathematical proof","score":0.7250000238418579},{"id":"https://openalex.org/keywords/combinatorics","display_name":"combinatorics","score":0.3310000002384186}],"concepts":[{"id":"https://openalex.org/C135646171","wikidata":"https://www.wikidata.org/wiki/Q183216","display_name":"Analytic philosophy","level":3,"score":0.6537443399429321},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.5514083504676819},{"id":"https://openalex.org/C522434184","wikidata":"https://www.wikidata.org/wiki/Q943303","display_name":"Contemporary philosophy","level":2,"score":0.5462477207183838},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.47090816497802734}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.2307/2025976","doi":"https://doi.org/10.2307/2025976","is_oa":false,"landing_page_url":"https://doi.org/10.2307/2025976","pdf_url":null,"source":{"id":"https://openalex.org/S41650241","display_name":"The Journal of Philosophy","issn_l":"0022-362X","issn":["0022-362X","1939-8549"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","erih-plus","jufo-3","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315703","host_organization_name":"Philosophy Documentation Center","host_organization_lineage":["https://openalex.org/P4310315703"],"host_organization_lineage_names":["Philosophy Documentation Center"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Journal of Philosophy","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2062822014","https://openalex.org/W2050736075","https://openalex.org/W157359292","https://openalex.org/W7028553073","https://openalex.org/W2978509545","https://openalex.org/W2325676049","https://openalex.org/W2480281002","https://openalex.org/W2318498127","https://openalex.org/W2317908501","https://openalex.org/W2331703606"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":26},{"year":2025,"cited_by_count":11},{"year":2024,"cited_by_count":13},{"year":2023,"cited_by_count":15},{"year":2022,"cited_by_count":23},{"year":2021,"cited_by_count":10},{"year":2020,"cited_by_count":10},{"year":2019,"cited_by_count":24},{"year":2018,"cited_by_count":11},{"year":2017,"cited_by_count":6},{"year":2016,"cited_by_count":9},{"year":2015,"cited_by_count":5},{"year":2014,"cited_by_count":6},{"year":2013,"cited_by_count":23},{"year":2012,"cited_by_count":6}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}
