{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,9,28]],"date-time":"2023-09-28T05:40:17Z","timestamp":1695879617617},"reference-count":5,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2006,11,13]],"date-time":"2006-11-13T00:00:00Z","timestamp":1163376000000},"content-version":"vor","delay-in-days":5430,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Mathematical Logic Qtrly"],"published-print":{"date-parts":[[1992,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>It is known that for two given countable sets of unary relations <jats:italic>A<\/jats:italic> and <jats:italic>B<\/jats:italic> on \u03c9 there exists an infinite set <jats:italic>H<\/jats:italic> \u2ac5 \u03c9 on which <jats:italic>A<\/jats:italic> and <jats:italic>B<\/jats:italic> are the same. This result can be used to generate counterexamples in expressibility theory. We examine the sharpness of this result.<\/jats:p>","DOI":"10.1002\/malq.19920380125","type":"journal-article","created":{"date-parts":[[2007,5,29]],"date-time":"2007-05-29T05:44:10Z","timestamp":1180417450000},"page":"293-298","source":"Crossref","is-referenced-by-count":0,"title":["SOME RAMSEY THEORY IN BOOLEAN ALGEBRA FOR COMPLEXITY CLASSES"],"prefix":"10.1002","volume":"38","author":[{"given":"Gregory L.","family":"McColm","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2006,11,13]]},"reference":[{"key":"e_1_2_1_2_2","doi-asserted-by":"publisher","DOI":"10.1137\/0204037"},{"key":"e_1_2_1_3_2","volume-title":"Handbook of Boolean Algebras","author":"Koppelberg S.","year":"1989"},{"key":"e_1_2_1_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/0168-0072(90)90053-5"},{"key":"e_1_2_1_5_2","doi-asserted-by":"publisher","DOI":"10.1112\/plms\/s2-30.1.264"},{"key":"e_1_2_1_6_2","volume-title":"Combinatorial Set Theory","author":"Williams N.","year":"1977"}],"container-title":["Mathematical Logic Quarterly"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1002%2Fmalq.19920380125","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/malq.19920380125","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,9,27]],"date-time":"2023-09-27T20:34:07Z","timestamp":1695846847000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/malq.19920380125"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1992,1]]},"references-count":5,"journal-issue":{"issue":"1","published-print":{"date-parts":[[1992,1]]}},"alternative-id":["10.1002\/malq.19920380125"],"URL":"https:\/\/doi.org\/10.1002\/malq.19920380125","archive":["Portico"],"relation":{},"ISSN":["0942-5616","1521-3870"],"issn-type":[{"value":"0942-5616","type":"print"},{"value":"1521-3870","type":"electronic"}],"subject":[],"published":{"date-parts":[[1992,1]]}}}