From: Ferruccio Guidi <fguidi@maelstrom.helm.cs.unibo.it>
Date: Tue, 8 May 2018 18:57:08 +0000 (+0200)
Subject: update in grond_2 and models
X-Git-Tag: make_still_working~328
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=f86ab1580e0bab7f8cada3cc7ffdf80f40e3de9a;hp=f86ab1580e0bab7f8cada3cc7ffdf80f40e3de9a;p=helm.git

update in grond_2 and models

+ denotation is preserved by lifts in extensional models
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