From: Ferruccio Guidi <ferruccio.guidi@unibo.it>
Date: Sat, 29 May 2021 16:56:27 +0000 (+0200)
Subject: λδ site update
X-Git-Tag: make_still_working~145
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=b367de0252e88d6b0476648d5ceac7e4aeffca27;hp=b367de0252e88d6b0476648d5ceac7e4aeffca27;p=helm.git

λδ site update

+ ground and documentation
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