From: Ferruccio Guidi <ferruccio.guidi@unibo.it>
Date: Fri, 24 Apr 2020 21:27:24 +0000 (+0200)
Subject: update in staic_2 and basic_2
X-Git-Tag: make_still_working~180
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=647504aa72b84eb49be8177b88a9254174e84d4b;hp=647504aa72b84eb49be8177b88a9254174e84d4b;p=helm.git

update in staic_2 and basic_2

+ an inversion lemma clarifies the link between rpx and req/reqx/lpx
+ some renaming
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