Tue, 20 Aug 1996 12:32:16 +0200 paulson Some tidying. This brittle proof depends upon
Tue, 20 Aug 1996 12:23:13 +0200 paulson Corrected for new classical reasoner: redundant rules
Mon, 19 Aug 1996 15:35:11 +0200 nipkow updated html-link
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