From: Ferruccio Guidi <ferruccio.guidi@unibo.it>
Date: Wed, 26 Oct 2022 21:43:23 +0000 (+0200)
Subject: update in predefined_virtuals
X-Git-Tag: make_still_working~32
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=4361c5423d10853505f47e6b2794a54a211a0b44;hp=4361c5423d10853505f47e6b2794a54a211a0b44;p=helm.git

update in predefined_virtuals

+ two arrows added
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