From: Ferruccio Guidi <fguidi@maelstrom.helm.cs.unibo.it>
Date: Wed, 12 Sep 2018 13:55:58 +0000 (+0200)
Subject: update in ground_2, static_2, basic_2
X-Git-Tag: make_still_working~282
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=b98ec1a1a37602eca524dc5487c357a200bbb5b6;hp=b98ec1a1a37602eca524dc5487c357a200bbb5b6;p=helm.git

update in ground_2, static_2, basic_2

+ minor additioms
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