From: Ferruccio Guidi <ferruccio.guidi@unibo.it>
Date: Mon, 11 Jun 2018 12:12:16 +0000 (+0200)
Subject: update in basic_2
X-Git-Tag: make_still_working~307
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=5b529743ea1196df21bd937c2c0fb2fd0bc68423;hp=5b529743ea1196df21bd937c2c0fb2fd0bc68423;p=helm.git

update in basic_2

+ advances on nv ...
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