Revision history for entry Gregg, John R.: Axiomatic quasi-natural deduction [JOHAQD]

NB: for privacy reasons, few details are provided in public revision histories.
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2021-04-13T15:27:03updateSystem / admin update
2021-03-24T13:23:57updateSystem / admin update
2021-03-21T13:00:07updateSystem / admin update
2019-02-05T07:23:10updateSystem / admin update
2017-01-21T04:32:07updateSystem / admin update
2015-02-04T23:40:54updateSystem / admin update
2013-12-01T19:31:33updateSystem / admin update
2013-12-01T19:31:29updateSystem / admin update
2013-11-22T13:34:07updateSystem / admin update
2013-11-04T11:11:19updateSystem / admin update
2010-10-28T13:42:24updateSystem / admin update
2010-10-01T19:42:00updateSystem / admin update
2010-09-23T17:05:57addSystem / admin update