From: Ferruccio Guidi Date: Wed, 13 Feb 2013 15:41:00 +0000 (+0000) Subject: - first piece of the mutual induction for preservation finally closed! X-Git-Tag: make_still_working~1258 X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=1aa4f40c651096deefd640a2040a904722fee37f;hp=1aa4f40c651096deefd640a2040a904722fee37f;p=helm.git - first piece of the mutual induction for preservation finally closed! - a conjecture closed ---