{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,28]],"date-time":"2025-09-28T04:17:31Z","timestamp":1759033051530,"version":"3.44.0"},"reference-count":7,"publisher":"Elsevier BV","issue":"3","license":[{"start":{"date-parts":[[1995,2,1]],"date-time":"1995-02-01T00:00:00Z","timestamp":791596800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[1995,2,1]],"date-time":"1995-02-01T00:00:00Z","timestamp":791596800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2000,4,5]],"date-time":"2000-04-05T00:00:00Z","timestamp":954892800000},"content-version":"vor","delay-in-days":1890,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Information Processing Letters"],"published-print":{"date-parts":[[1995,2]]},"DOI":"10.1016\/0020-0190(94)00198-8","type":"journal-article","created":{"date-parts":[[2003,5,12]],"date-time":"2003-05-12T19:55:41Z","timestamp":1052769341000},"page":"145-152","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":14,"title":["Equational propositional logic"],"prefix":"10.1016","volume":"53","author":[{"given":"David","family":"Gries","sequence":"first","affiliation":[]},{"given":"Fred B.","family":"Schneider","sequence":"additional","affiliation":[]}],"member":"78","reference":[{"year":"1956","series-title":"Introduction to Mathematical Logic","author":"Church","key":"10.1016\/0020-0190(94)00198-8_BIB1"},{"year":"1990","series-title":"Predicate Calculus and Program Semantics","author":"Dijkstra","key":"10.1016\/0020-0190(94)00198-8_BIB2"},{"article-title":"On the Shape of Mathematical Arguments","year":"1988","author":"van Gasteren","key":"10.1016\/0020-0190(94)00198-8_BIB3_1"},{"volume":"445","year":"1990","author":"van Gasteren","key":"10.1016\/0020-0190(94)00198-8_BIB3_2"},{"year":"1993","series-title":"A Logical Approach to Discrete Math","author":"Gries","key":"10.1016\/0020-0190(94)00198-8_BIB4"},{"article-title":"Equational propositional logic","year":"1994","author":"Gries","key":"10.1016\/0020-0190(94)00198-8_BIB5"},{"year":"1953","series-title":"Logic for Mathematicians","author":"Rosser","key":"10.1016\/0020-0190(94)00198-8_BIB6"}],"container-title":["Information Processing Letters"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0020019094001988?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0020019094001988?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,9,5]],"date-time":"2025-09-05T14:58:40Z","timestamp":1757084320000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/0020019094001988"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1995,2]]},"references-count":7,"journal-issue":{"issue":"3","published-print":{"date-parts":[[1995,2]]}},"alternative-id":["0020019094001988"],"URL":"https:\/\/doi.org\/10.1016\/0020-0190(94)00198-8","relation":{},"ISSN":["0020-0190"],"issn-type":[{"type":"print","value":"0020-0190"}],"subject":[],"published":{"date-parts":[[1995,2]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Equational propositional logic","name":"articletitle","label":"Article Title"},{"value":"Information Processing Letters","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/0020-0190(94)00198-8","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"converted-article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 1995 Published by Elsevier B.V.","name":"copyright","label":"Copyright"}]}}