Sat, 24 Oct 2009 16:55:42 +0200 bulwahn further cleaning up
Sat, 24 Oct 2009 16:55:42 +0200 bulwahn added option show_proof_trace
Sat, 24 Oct 2009 16:55:42 +0200 bulwahn importing of polymorphic introduction rules with different schematic variable names
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