From: Ferruccio Guidi <ferruccio.guidi@unibo.it>
Date: Sat, 29 May 2021 08:40:29 +0000 (+0200)
Subject: update in ground
X-Git-Tag: make_still_working~148
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=0bcf2dc1a27e38cb6cd3d44eb838d652926841e0;hp=0bcf2dc1a27e38cb6cd3d44eb838d652926841e0;p=helm.git

update in ground

+ some renaming
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