Revision history for entry Johnson, Fred (1997). "Extended Gergonne Syllogisms" [JOHEGS]

NB: for privacy reasons, few details are provided in public revision histories.
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2015-03-17T04:12:31updateSystem / admin update -
2015-02-05T22:19:02updateSystem / admin update -
2015-01-30T04:14:33update
2014-10-11T15:24:50updateLocal copy uploaded (view this copy) -
2014-03-31T04:44:26updateSystem / admin update -
2013-11-22T06:24:13updateSystem / admin update -
2012-12-28T15:47:27updateSystem / admin update -
2012-12-28T15:47:27updateSystem / admin update -
2010-10-01T14:04:36updateSystem / admin update -