{"id":"https://openalex.org/W1990201854","doi":"https://doi.org/10.1305/ndjfl/1093893517","title":"The logical concept of existence.","display_name":"The logical concept of existence.","publication_year":1968,"publication_date":"1968-10-01","ids":{"openalex":"https://openalex.org/W1990201854","doi":"https://doi.org/10.1305/ndjfl/1093893517","mag":"1990201854"},"language":"en","primary_location":{"id":"doi:10.1305/ndjfl/1093893517","is_oa":true,"landing_page_url":"https://doi.org/10.1305/ndjfl/1093893517","pdf_url":"https://projecteuclid.org/journals/notre-dame-journal-of-formal-logic/volume-9/issue-4/The-logical-concept-of-existence/10.1305/ndjfl/1093893517.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-9/issue-4/The-logical-concept-of-existence/10.1305/ndjfl/1093893517.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5070046563","display_name":"John T. Kearns","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"John T. Kearns","raw_affiliation_strings":[],"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5070046563"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":3,"citation_normalized_percentile":{"value":0.30618207,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"9","issue":"4","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11463","display_name":"Classical Philosophy and Thought","score":0.121799997985363,"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"}},"topics":[{"id":"https://openalex.org/T11463","display_name":"Classical Philosophy and Thought","score":0.121799997985363,"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/epistemology","display_name":"Epistemology","score":0.5350543260574341},{"id":"https://openalex.org/keywords/calculus","display_name":"Calculus (dental)","score":0.47763267159461975},{"id":"https://openalex.org/keywords/philosophy","display_name":"Philosophy","score":0.40653130412101746},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4006232023239136},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3389996886253357},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.09198924899101257}],"concepts":[{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.5350543260574341},{"id":"https://openalex.org/C2777686260","wikidata":"https://www.wikidata.org/wiki/Q144037","display_name":"Calculus (dental)","level":2,"score":0.47763267159461975},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.40653130412101746},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4006232023239136},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3389996886253357},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.09198924899101257},{"id":"https://openalex.org/C199343813","wikidata":"https://www.wikidata.org/wiki/Q12128","display_name":"Dentistry","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1305/ndjfl/1093893517","is_oa":true,"landing_page_url":"https://doi.org/10.1305/ndjfl/1093893517","pdf_url":"https://projecteuclid.org/journals/notre-dame-journal-of-formal-logic/volume-9/issue-4/The-logical-concept-of-existence/10.1305/ndjfl/1093893517.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/1093893517","is_oa":false,"landing_page_url":"http://projecteuclid.org/euclid.ndjfl/1093893517","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/1093893517","is_oa":true,"landing_page_url":"https://doi.org/10.1305/ndjfl/1093893517","pdf_url":"https://projecteuclid.org/journals/notre-dame-journal-of-formal-logic/volume-9/issue-4/The-logical-concept-of-existence/10.1305/ndjfl/1093893517.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":[{"display_name":"Reduced inequalities","id":"https://metadata.un.org/sdg/10","score":0.5199999809265137}],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1990201854.pdf","grobid_xml":"https://content.openalex.org/works/W1990201854.grobid-xml"},"referenced_works_count":4,"referenced_works":["https://openalex.org/W2020009312","https://openalex.org/W2613140056","https://openalex.org/W6651358699","https://openalex.org/W6655400887"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W1979597421","https://openalex.org/W2007980826","https://openalex.org/W2061531152","https://openalex.org/W3002753104","https://openalex.org/W2077600819","https://openalex.org/W2142036596","https://openalex.org/W2072657027","https://openalex.org/W2600246793","https://openalex.org/W4238204885"],"abstract_inverted_index":{"The":[0],"concept":[1,52,233],"of":[2,9,17,27,43,53,81,87,94,117,128,137,160,163,178,196,224,234,242,249,274],"existence":[3,235],"has":[4,30],"long":[5],"been":[6],"a":[7,39,138,155,202,225],"topic":[8],"philosophical":[10],"discussion,":[11,33],"but":[12,34],"until":[13],"the":[14,32,50,57,79,91,135,145,183,205,215,218,232,265,272],"modern":[15],"development":[16],"logical":[18,28,51,213,222],"techniques,":[19],"this":[20,45,143,175,179,239,243],"discussion":[21,146],"lacked":[22],"clarity":[23],"and":[24,111,165,228],"precision.The":[25],"use":[26,80],"techniques":[29],"sharpened":[31],"there":[35],"is":[36,62,199,245],"not":[37,72,99,200,257],"yet":[38],"universally":[40],"accepted":[41],"account":[42],"existence.In":[44],"paper,":[46],"I":[47,132],"will":[48,75,119,133,150,171],"examine":[49],"existence,":[54],"by":[55],"exploring":[56],"ways":[58,248],"in":[59,84,168,204],"which":[60],"it":[61,149],"possible":[63],"to":[64,78,90,153,186,238,246,262,270],"say":[65],"that":[66,121,141,147,251],"an":[67,125,252],"individual":[68,109,253],"exists":[69],"(or":[70,105,277],"does":[71,98,254,256],"exist).This":[73],"examination":[74],"be":[76,151,172,263,268],"limited":[77],"singular":[82],"terms":[83],"existential":[85,126],"statements":[86,116,260],"formalized":[88,92,103,130,139,157],"languages-i.e.":[89],"counterparts":[93],"sentences":[95],"like":[96],"Pegasus":[97],"exist.Santa":[100],"Claus":[101],"exists.Customary":[102],"languages":[104],"formal":[106],"systems),":[107],"employing":[108],"variables":[110],"quantifiers,":[112],"impose":[113],"restrictions":[114,123],"on":[115],"existence.I":[118],"argue":[120],"these":[122],"constitute":[124],"presupposition":[127],"customary":[129],"languages.And":[131],"present":[134],"outlines":[136],"language":[140,203],"avoids":[142],"presupposition.For":[144],"follows,":[148],"helpful":[152],"consider":[154,247],"specific":[156],"language.The":[158],"system":[159,195,216,266],"predicate":[161,197],"calculus":[162,198],"Hubert":[164],"Ackermann":[166],"(presented":[167],"Mathematical":[169],"Logic)":[170],"used":[173],"for":[174,208],"purpose.The":[176],"axioms":[177,184],"system,":[180],"apart":[181],"from":[182],"common":[185],"propositional":[187],"calculus,":[188],"are":[189,212,261],"(*)/(*)":[190],"D/CV)":[191],"f(y)":[192],"^":[193],"(KT/M.This":[194],"really":[201],"ordinary":[206],"sense,":[207],"its":[209],"only":[210],"constants":[211],"ones.But":[214],"presents":[217],"bare":[219],"bones":[220],"(the":[221],"structure)":[223],"genuine":[226],"language,":[227],"we":[229],"can":[230],"discuss":[231],"with":[236],"respect":[237],"system.The":[240],"goal":[241],"paper":[244],"saying":[250],"or":[255],"exist.If":[258],"such":[259],"possible,":[264],"must":[267],"extended":[269],"allow":[271],"employment":[273],"proper":[275],"names":[276],"other":[278]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}