From: Enrico Tassi Date: Wed, 14 Nov 2007 13:17:07 +0000 (+0000) Subject: ogroups almost finished X-Git-Tag: make_still_working~5855 X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=624a7c13a2ed22ed2535690074c7a08e18de7f13;hp=624a7c13a2ed22ed2535690074c7a08e18de7f13;p=helm.git ogroups almost finished ---