From: Ferruccio Guidi <ferruccio.guidi@unibo.it>
Date: Thu, 7 Feb 2013 18:58:52 +0000 (+0000)
Subject: even more service lemmas ...
X-Git-Tag: make_still_working~1263
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=06fae7628917399b6ceabace25607d6aafab0040;hp=06fae7628917399b6ceabace25607d6aafab0040;p=helm.git

even more service lemmas ...
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