From: Wilmer Ricciotti <ricciott@cs.unibo.it>
Date: Wed, 30 Sep 2009 13:35:06 +0000 (+0000)
Subject: Added initial support for inversion principles in Matita NG.
X-Git-Tag: make_still_working~3411
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;ds=sidebyside;h=ddd6560f4e70ec3306d223738a441d5f1dd3eac9;hp=ddd6560f4e70ec3306d223738a441d5f1dd3eac9;p=helm.git

Added initial support for inversion principles in Matita NG.
Added a case_tac tactical, performing goal selection matching metavariables by
means of their associated tag.
Added tagged implicits, which are refined as tagged metavariables.
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