From: Ferruccio Guidi Date: Mon, 23 Sep 2019 13:00:45 +0000 (+0200) Subject: update in basic_2 X-Git-Tag: make_still_working~233 X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=7e6fea0332e132a8cb89c689ba68c5e884c4354c;hp=7e6fea0332e132a8cb89c689ba68c5e884c4354c;p=helm.git update in basic_2 + main result on acle proved ---