Revision history for entry Prior, Arthur N. (1949). "Categoricals and hypotheticals in George Boole and his successors" [PRICAH]

NB: for privacy reasons, few details are provided in public revision histories.
TimeTypeNotes
2013-12-01T08:23:45updateSystem / admin update -
2012-08-28T00:33:34updateSystem / admin update -
2011-10-19T04:44:10updateSystem / admin update -
2010-09-09T16:43:06updateSystem / admin update -