Wed, 11 Nov 2009 10:15:32 -0800 huffman use Drule.standard (following typedef package), add pcpodef tactic interface
Thu, 12 Nov 2009 22:29:54 +0100 wenzelm eliminated slightly odd (unused) "axiom" and "assumption" -- collapsed to unspecific "";
Thu, 12 Nov 2009 22:02:11 +0100 wenzelm eliminated obsolete "internal" kind -- collapsed to unspecific "";
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