{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T14:20:21Z","timestamp":1775053221861,"version":"3.50.1"},"reference-count":14,"publisher":"Elsevier BV","issue":"1","license":[{"start":{"date-parts":[[1994,11,1]],"date-time":"1994-11-01T00:00:00Z","timestamp":783648000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[1994,11,1]],"date-time":"1994-11-01T00:00:00Z","timestamp":783648000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2013,7,17]],"date-time":"2013-07-17T00:00:00Z","timestamp":1374019200000},"content-version":"vor","delay-in-days":6833,"URL":"http:\/\/www.elsevier.com\/open-access\/userlicense\/1.0\/"}],"funder":[{"DOI":"10.13039\/501100000038","name":"Natural Sciences and Engineering Research Council of Canada","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100000038","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003246","name":"Nederlandse Organisatie voor Wetenschappelijk Onderzoek","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100003246","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Annals of Pure and Applied Logic"],"published-print":{"date-parts":[[1994,11]]},"DOI":"10.1016\/0168-0072(94)90069-8","type":"journal-article","created":{"date-parts":[[2002,7,25]],"date-time":"2002-07-25T23:38:59Z","timestamp":1027640339000},"page":"51-86","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":40,"title":["A completeness theorem for open maps"],"prefix":"10.1016","volume":"70","author":[{"given":"A.","family":"Joyal","sequence":"first","affiliation":[]},{"given":"I.","family":"Moerdijk","sequence":"additional","affiliation":[]}],"member":"78","reference":[{"key":"10.1016\/0168-0072(94)90069-8_BIB1","doi-asserted-by":"crossref","first-page":"723","DOI":"10.1080\/00927877608822133","article-title":"Grothendieck toposes have Boolean points - a new proof","volume":"4","author":"Diaconescu","year":"1976","journal-title":"Comm. Algebra"},{"key":"10.1016\/0168-0072(94)90069-8_BIB2","article-title":"An axiomatic theory of etale maps","volume":"135","author":"Dubuc","year":"1988"},{"key":"10.1016\/0168-0072(94)90069-8_BIB3","article-title":"Modal and tense predicate logic: models in presheaves and categorical conceptualization","volume":"1348","author":"Ghilardi","year":"1988"},{"key":"10.1016\/0168-0072(94)90069-8_BIB4","author":"Ghilardi","year":"1990","journal-title":"Relational and topological semantics for temporal and modal predictive logic"},{"key":"10.1016\/0168-0072(94)90069-8_BIB5","article-title":"El\u00e9ments de g\u00e9om\u00e9trie alg\u00e9brique II","volume":"8","author":"Grothendieck","year":"1961","journal-title":"IHES Publ. Math."},{"key":"10.1016\/0168-0072(94)90069-8_BIB6","doi-asserted-by":"crossref","first-page":"217","DOI":"10.1007\/BF01303275","article-title":"Open maps of toposes","volume":"31","author":"Johnstone","year":"1980","journal-title":"Manuscripta Math."},{"key":"10.1016\/0168-0072(94)90069-8_BIB7","doi-asserted-by":"crossref","first-page":"255","DOI":"10.1016\/0022-4049(82)90083-4","article-title":"Continuous categories and exponentiable toposes","volume":"25","author":"Johnstone","year":"1982","journal-title":"J. Pure Appl. Algebra"},{"key":"10.1016\/0168-0072(94)90069-8_BIB8","doi-asserted-by":"crossref","first-page":"281","DOI":"10.1112\/plms\/s3-58.2.281","article-title":"Local maps of toposes","volume":"58","author":"Johnstone","year":"1989","journal-title":"Proc. London Math. Soc."},{"key":"10.1016\/0168-0072(94)90069-8_BIB9","first-page":"253","article-title":"A completeness theorem for open maps","volume":"12","author":"Joyal","year":"1990","journal-title":"Comptes Rendus Math. Acad. Sci."},{"key":"10.1016\/0168-0072(94)90069-8_BIB10","first-page":"55","article-title":"A categorical theory of cumulative hierarchies of sets","volume":"13","author":"Joyal","year":"1991","journal-title":"Comptes Rendus Math. Acad. Sci."},{"key":"10.1016\/0168-0072(94)90069-8_BIB11","article-title":"An extension of the Galois theory of Grothendieck","volume":"AMS 309","author":"Joyal","year":"1984","journal-title":"Mem."},{"key":"10.1016\/0168-0072(94)90069-8_BIB12","first-page":"629","article-title":"The classifying topos of a continuous groupoid I","volume":"AMS 310","author":"Moerdijk","year":"1988","journal-title":"Trans."},{"key":"10.1016\/0168-0072(94)90069-8_BIB13","author":"Reyes","year":"1989","journal-title":"A topos-theoretic approach to reference and modality"},{"key":"10.1016\/0168-0072(94)90069-8_BIB14","doi-asserted-by":"crossref","first-page":"345","DOI":"10.1016\/0022-4049(74)90014-0","article-title":"Artin glueing","volume":"4","author":"Wraith","year":"1974","journal-title":"J. Pure Appl. Algebra"}],"container-title":["Annals of Pure and Applied Logic"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0168007294900698?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0168007294900698?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,9,9]],"date-time":"2025-09-09T21:39:33Z","timestamp":1757453973000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/0168007294900698"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1994,11]]},"references-count":14,"journal-issue":{"issue":"1","published-print":{"date-parts":[[1994,11]]}},"alternative-id":["0168007294900698"],"URL":"https:\/\/doi.org\/10.1016\/0168-0072(94)90069-8","relation":{},"ISSN":["0168-0072"],"issn-type":[{"value":"0168-0072","type":"print"}],"subject":[],"published":{"date-parts":[[1994,11]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"A completeness theorem for open maps","name":"articletitle","label":"Article Title"},{"value":"Annals of Pure and Applied Logic","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/0168-0072(94)90069-8","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"converted-article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 1994 Published by Elsevier B.V.","name":"copyright","label":"Copyright"}]}}