{"title":"相关含义的几何2","authors":"A. Urquhart","doi":"10.26686/ajl.v20i1.8086","DOIUrl":null,"url":null,"abstract":"This note extends earlier results on geometrical interpretations of the logic KR to prove some additional results, including a simple undecidability proof for the four-variable fragment of KR.","PeriodicalId":367849,"journal":{"name":"The Australasian Journal of Logic","volume":"145 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2023-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Geometry of Relevant Implication II\",\"authors\":\"A. Urquhart\",\"doi\":\"10.26686/ajl.v20i1.8086\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This note extends earlier results on geometrical interpretations of the logic KR to prove some additional results, including a simple undecidability proof for the four-variable fragment of KR.\",\"PeriodicalId\":367849,\"journal\":{\"name\":\"The Australasian Journal of Logic\",\"volume\":\"145 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2023-04-13\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"The Australasian Journal of Logic\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.26686/ajl.v20i1.8086\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"The Australasian Journal of Logic","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.26686/ajl.v20i1.8086","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
This note extends earlier results on geometrical interpretations of the logic KR to prove some additional results, including a simple undecidability proof for the four-variable fragment of KR.
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