From: Ferruccio Guidi <ferruccio.guidi@unibo.it>
Date: Mon, 4 Oct 2021 21:37:42 +0000 (+0200)
Subject: update in ground
X-Git-Tag: make_still_working~138
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=d7a1ab434c222c2445f36b7a3b6234d1f57f9794;hp=d7a1ab434c222c2445f36b7a3b6234d1f57f9794;p=helm.git

update in ground

+ bug fixed in the notation of exp
+ minor bugs fixed
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