{"id":"https://openalex.org/W2035108943","doi":"https://doi.org/10.1305/ndjfl/1093882954","title":"Lewis' postulate of existence disarmed.","display_name":"Lewis' postulate of existence disarmed.","publication_year":1980,"publication_date":"1980-01-01","ids":{"openalex":"https://openalex.org/W2035108943","doi":"https://doi.org/10.1305/ndjfl/1093882954","mag":"2035108943"},"language":"en","primary_location":{"id":"doi:10.1305/ndjfl/1093882954","is_oa":true,"landing_page_url":"https://doi.org/10.1305/ndjfl/1093882954","pdf_url":"https://projecteuclid.org/journals/notre-dame-journal-of-formal-logic/volume-21/issue-1/Lewis-postulate-of-existence-disarmed/10.1305/ndjfl/1093882954.pdf","source":{"id":"https://openalex.org/S78544662","display_name":"Notre Dame Journal of Formal Logic","issn_l":"0029-4527","issn":["0029-4527","1939-0726"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315698","host_organization_name":"Duke University Press","host_organization_lineage":["https://openalex.org/P4310315698","https://openalex.org/P4310315572"],"host_organization_lineage_names":["Duke University Press","Duke University"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Notre Dame Journal of Formal Logic","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://projecteuclid.org/journals/notre-dame-journal-of-formal-logic/volume-21/issue-1/Lewis-postulate-of-existence-disarmed/10.1305/ndjfl/1093882954.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5046095266","display_name":"Robert W. Murungi","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Robert W. Murungi","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5046095266"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.18588549,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"21","issue":"1","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10258","display_name":"Philosophy and Theoretical Science","score":0.5730000138282776,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T10258","display_name":"Philosophy and Theoretical Science","score":0.5730000138282776,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/philosophy","display_name":"Philosophy","score":0.4300634264945984}],"concepts":[{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.4300634264945984}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1305/ndjfl/1093882954","is_oa":true,"landing_page_url":"https://doi.org/10.1305/ndjfl/1093882954","pdf_url":"https://projecteuclid.org/journals/notre-dame-journal-of-formal-logic/volume-21/issue-1/Lewis-postulate-of-existence-disarmed/10.1305/ndjfl/1093882954.pdf","source":{"id":"https://openalex.org/S78544662","display_name":"Notre Dame Journal of Formal Logic","issn_l":"0029-4527","issn":["0029-4527","1939-0726"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315698","host_organization_name":"Duke University Press","host_organization_lineage":["https://openalex.org/P4310315698","https://openalex.org/P4310315572"],"host_organization_lineage_names":["Duke University Press","Duke University"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Notre Dame Journal of Formal Logic","raw_type":"journal-article"},{"id":"pmh:oai:CULeuclid:euclid.ndjfl/1093882954","is_oa":false,"landing_page_url":"http://projecteuclid.org/euclid.ndjfl/1093882954","pdf_url":null,"source":{"id":"https://openalex.org/S4306400787","display_name":"Project Euclid (Cornell University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.1305/ndjfl/1093882954","is_oa":true,"landing_page_url":"https://doi.org/10.1305/ndjfl/1093882954","pdf_url":"https://projecteuclid.org/journals/notre-dame-journal-of-formal-logic/volume-21/issue-1/Lewis-postulate-of-existence-disarmed/10.1305/ndjfl/1093882954.pdf","source":{"id":"https://openalex.org/S78544662","display_name":"Notre Dame Journal of Formal Logic","issn_l":"0029-4527","issn":["0029-4527","1939-0726"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315698","host_organization_name":"Duke University Press","host_organization_lineage":["https://openalex.org/P4310315698","https://openalex.org/P4310315572"],"host_organization_lineage_names":["Duke University Press","Duke University"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Notre Dame Journal of Formal Logic","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.5799999833106995,"id":"https://metadata.un.org/sdg/10","display_name":"Reduced inequalities"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2035108943.pdf","grobid_xml":"https://content.openalex.org/works/W2035108943.grobid-xml"},"referenced_works_count":8,"referenced_works":["https://openalex.org/W958291881","https://openalex.org/W2027682550","https://openalex.org/W2075277371","https://openalex.org/W2144347980","https://openalex.org/W2155581733","https://openalex.org/W6625252584","https://openalex.org/W6657140824","https://openalex.org/W6682590233"],"related_works":["https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2227612306","https://openalex.org/W2912137438","https://openalex.org/W2803307177","https://openalex.org/W1494974852","https://openalex.org/W1030430500","https://openalex.org/W2346533055","https://openalex.org/W3214635344","https://openalex.org/W3166162583"],"abstract_inverted_index":{"introduced":[0],"his":[1,7],"so-called":[2],"existence":[3],"postulate":[4,22,70,91,124],"to":[5,24,37,45,59,73,85,95,120],"delineate":[6],"system":[8],"of":[9,40,101,115],"strict":[10],"implication":[11],"from":[12],"material":[13],"implication.":[14],"Cress":[15],"well":[16],"[2],":[17],"p.":[18],"291,":[19],"adopted":[20],"a":[21,27,92,126,129],"according":[23,44],"which":[25,82],"in":[26],"Kripke":[28],"This":[29],"formula,":[30],"as":[31,98,145],"Cresswell":[32],"points":[33],"out,":[34],"is":[35,71,87,125,138],"equivalent":[36],"the":[38,105],"validity":[39],"Lewis'":[41,69,123],"postulate.":[42],"Now":[43],"Kripke's":[46],"modelling":[47],"for":[48,113,141],"classical":[49],"sentential":[50],"modal":[51,77,102,116,136],"logic":[52],"(see":[53],"[3]":[54],"and":[55],"[4]),":[56],"with":[57,81],"respect":[58],"K":[60,108],"=":[61,109],"{G},":[62],"all":[63],"true":[64],"sentences":[65],"would":[66],"be":[67,96,111],"necessary.":[68],"designed":[72],"block":[74],"against":[75],"such":[76,143],"collapse.":[78],"The":[79],"problem":[80],"we":[83],"have":[84],"contend":[86],"this:":[88],"Is":[89],"this":[90],"necessary":[93],"truth":[94,131],"assumed":[97],"an":[99],"axiom":[100],"logic?":[103],"Should":[104],"possibility":[106],"that":[107,122,135],"{G}":[110],"excluded":[112],"fear":[114],"collapse?":[117],"I":[118],"wish":[119],"show":[121],"contingent,":[127],"not":[128],"necessary,":[130],"and,":[132],"conseq":[133],"uently,":[134],"collapse":[137],"no":[139],"ground":[140],"excluding":[142],"possiblities":[144]},"counts_by_year":[],"updated_date":"2026-08-18T07:49:30.821534","created_date":"2025-10-10T00:00:00"}
