From: Ferruccio Guidi <fguidi@maelstrom.helm.cs.unibo.it>
Date: Wed, 9 Dec 2020 16:50:31 +0000 (+0100)
Subject: λδ site update
X-Git-Tag: make_still_working~170
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;ds=sidebyside;h=614d006be363d2e2bbfdf8eb3c20c8604d278be1;hp=614d006be363d2e2bbfdf8eb3c20c8604d278be1;p=helm.git

λδ site update

+ old references to ground_2 removed
+ Makefile: bugfix
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