From: Ferruccio Guidi <ferruccio.guidi@unibo.it>
Date: Fri, 25 Sep 2020 21:56:49 +0000 (+0200)
Subject: minor additions to standard library
X-Git-Tag: make_still_working~176
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=2b7797235d69608e4221b287480949961aaa3948;hp=2b7797235d69608e4221b287480949961aaa3948;p=helm.git

minor additions to standard library

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