Revision history for entry Burgess, John P. (2003). "A Remark on Henkin Sentences and Their Contraries" [JOHARO-3]

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2015-02-04T18:41:10updateSystem / admin update -
2014-03-23T09:48:24updateSystem / admin update -
2013-12-01T14:40:50updateSystem / admin update -
2013-11-04T06:09:45updateSystem / admin update -
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2010-09-23T12:09:34addSystem / admin update -