From: Enrico Tassi Date: Mon, 5 Oct 2009 14:23:02 +0000 (+0000) Subject: downcast removed X-Git-Tag: make_still_working~3382 X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=b183713e0e33245a4e58b433a930a94224d1f629;hp=b183713e0e33245a4e58b433a930a94224d1f629;p=helm.git downcast removed ---