{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,8,11]],"date-time":"2023-08-11T04:34:30Z","timestamp":1691728470474},"reference-count":0,"publisher":"Victoria University of Wellington Library","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["AJL"],"abstract":"<jats:p>The present paper is inspired by Sylvan and Plumwood\u2019s logicBM defined in \u201cNon-normal relevant logics\u201d and by their treatmentof negation with the \u2217-operator in \u201cThe semantics of first-degree en-tailment\u201d. Given a positive logic L including Routley and Meyer\u2019sbasic positive logic and included in either the positive fragment of Eor in that of RW, we investigate the essential De Morgan negation ex-pansions of L and determine all the deductive relations they maintainto each other. A Routley-Meyer semantics is provided for each logicdefined in the paper.<\/jats:p>","DOI":"10.26686\/ajl.v20i2.8311","type":"journal-article","created":{"date-parts":[[2023,8,10]],"date-time":"2023-08-10T05:18:28Z","timestamp":1691644708000},"page":"348-374","source":"Crossref","is-referenced-by-count":0,"title":["A Variety of DeMorgan Negations in Relevant Logics"],"prefix":"10.26686","volume":"20","author":[{"given":"Gemma","family":"Robles","sequence":"first","affiliation":[]},{"given":"Jos\u00e9","family":"Mendez","sequence":"additional","affiliation":[]}],"member":"11224","published-online":{"date-parts":[[2023,8,9]]},"container-title":["The Australasian Journal of Logic"],"original-title":[],"link":[{"URL":"https:\/\/ojs.victoria.ac.nz\/ajl\/article\/download\/8311\/7379","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/ojs.victoria.ac.nz\/ajl\/article\/download\/8311\/7379","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,8,10]],"date-time":"2023-08-10T05:18:29Z","timestamp":1691644709000},"score":1,"resource":{"primary":{"URL":"https:\/\/ojs.victoria.ac.nz\/ajl\/article\/view\/8311"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2023,8,9]]},"references-count":0,"journal-issue":{"issue":"2","published-online":{"date-parts":[[2023,8,9]]}},"URL":"https:\/\/doi.org\/10.26686\/ajl.v20i2.8311","relation":{},"ISSN":["1448-5052"],"issn-type":[{"value":"1448-5052","type":"electronic"}],"subject":[],"published":{"date-parts":[[2023,8,9]]}}}