{"id":"https://openalex.org/W2073471073","doi":"https://doi.org/10.1305/ndjfl/1093888120","title":"Degrees of unsolvability and strong forms of $\\Lambda_R+\\Lambda_R\\not\\subseteq \\Lambda_R$.","display_name":"Degrees of unsolvability and strong forms of $\\Lambda_R+\\Lambda_R\\not\\subseteq \\Lambda_R$.","publication_year":1977,"publication_date":"1977-10-01","ids":{"openalex":"https://openalex.org/W2073471073","doi":"https://doi.org/10.1305/ndjfl/1093888120","mag":"2073471073"},"language":"en","primary_location":{"id":"doi:10.1305/ndjfl/1093888120","is_oa":true,"landing_page_url":"https://doi.org/10.1305/ndjfl/1093888120","pdf_url":"https://projecteuclid.org/journals/notre-dame-journal-of-formal-logic/volume-18/issue-4/Degrees-of-unsolvability-and-strong-forms-of-Lambda_RLambda_Rnotsubseteq-Lambda_R/10.1305/ndjfl/1093888120.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-18/issue-4/Degrees-of-unsolvability-and-strong-forms-of-Lambda_RLambda_Rnotsubseteq-Lambda_R/10.1305/ndjfl/1093888120.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5109841134","display_name":"T. G. McLaughlin","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Thomas G. McLaughlin","raw_affiliation_strings":[],"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5109841134"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.23476005,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"18","issue":"4","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11151","display_name":"Advanced Topology and Set Theory","score":0.9958999752998352,"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"}},"topics":[{"id":"https://openalex.org/T11151","display_name":"Advanced Topology and Set Theory","score":0.9958999752998352,"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/T10588","display_name":"Mathematical Dynamics and Fractals","score":0.9919000267982483,"subfield":{"id":"https://openalex.org/subfields/2610","display_name":"Mathematical Physics"},"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/T12002","display_name":"Computability, Logic, AI Algorithms","score":0.9851999878883362,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/lambda","display_name":"Lambda","score":0.9079343676567078},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5680783987045288},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2437375783920288}],"concepts":[{"id":"https://openalex.org/C2778113609","wikidata":"https://www.wikidata.org/wiki/Q10897","display_name":"Lambda","level":2,"score":0.9079343676567078},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5680783987045288},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2437375783920288},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1305/ndjfl/1093888120","is_oa":true,"landing_page_url":"https://doi.org/10.1305/ndjfl/1093888120","pdf_url":"https://projecteuclid.org/journals/notre-dame-journal-of-formal-logic/volume-18/issue-4/Degrees-of-unsolvability-and-strong-forms-of-Lambda_RLambda_Rnotsubseteq-Lambda_R/10.1305/ndjfl/1093888120.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/1093888120","is_oa":false,"landing_page_url":"http://projecteuclid.org/euclid.ndjfl/1093888120","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/1093888120","is_oa":true,"landing_page_url":"https://doi.org/10.1305/ndjfl/1093888120","pdf_url":"https://projecteuclid.org/journals/notre-dame-journal-of-formal-logic/volume-18/issue-4/Degrees-of-unsolvability-and-strong-forms-of-Lambda_RLambda_Rnotsubseteq-Lambda_R/10.1305/ndjfl/1093888120.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":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2073471073.pdf","grobid_xml":"https://content.openalex.org/works/W2073471073.grobid-xml"},"referenced_works_count":27,"referenced_works":["https://openalex.org/W978380140","https://openalex.org/W1483568252","https://openalex.org/W1848103628","https://openalex.org/W1996439223","https://openalex.org/W2024265009","https://openalex.org/W2037662783","https://openalex.org/W2051601785","https://openalex.org/W2055051664","https://openalex.org/W2060075008","https://openalex.org/W2061695464","https://openalex.org/W2062249564","https://openalex.org/W2081383418","https://openalex.org/W2093546192","https://openalex.org/W2101746971","https://openalex.org/W2530006810","https://openalex.org/W2905135108","https://openalex.org/W4232819959","https://openalex.org/W6639026040","https://openalex.org/W6649320204","https://openalex.org/W6656511691","https://openalex.org/W6663544487","https://openalex.org/W6665795976","https://openalex.org/W6670919186","https://openalex.org/W6682797298","https://openalex.org/W6815023048","https://openalex.org/W6829250405","https://openalex.org/W6832998648"],"related_works":["https://openalex.org/W1979597421","https://openalex.org/W2007980826","https://openalex.org/W4245490552","https://openalex.org/W4225152035","https://openalex.org/W2061531152","https://openalex.org/W3002753104","https://openalex.org/W2077600819","https://openalex.org/W1587224694","https://openalex.org/W2911598644","https://openalex.org/W2042127053"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
