Revision history for entry Anderson, Alan Ross (1954). "Improved decision procedures for Lewis's calculus s4 and Von Wright's calculus M" [ANDIDP]

NB: for privacy reasons, few details are provided in public revision histories.
TimeTypeNotes
2015-02-05T02:00:03updateSystem / admin update -
2013-11-04T05:47:09updateSystem / admin update -
2013-11-04T04:24:03updateSystem / admin update -
2011-06-13T17:57:10update
2011-02-21T15:16:51update