Mon, 11 Oct 2004 07:42:22 +0200 nipkow Proofs needed to be updated because induction now preserves name of
Mon, 11 Oct 2004 07:39:19 +0200 nipkow Induction now preserves the name of the induction variable.
Thu, 07 Oct 2004 15:42:30 +0200 paulson simplification tweaks for better arithmetic reasoning
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