From: Ferruccio Guidi Date: Thu, 7 Jun 2018 14:58:57 +0000 (+0200) Subject: update in basic_2 X-Git-Tag: make_still_working~310 X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=commitdiff_plain;h=150f931929c8333dbcfff8dbe77fb2e177f44c56;hp=150f931929c8333dbcfff8dbe77fb2e177f44c56 update in basic_2 + cprs completed ---