Tue, 17 Oct 2000 10:23:16 +0200 restoration of "equalityI"; renaming of contrapos rules
paulson [Tue, 17 Oct 2000 10:23:16 +0200] rev 10232
restoration of "equalityI"; renaming of contrapos rules
Tue, 17 Oct 2000 10:21:12 +0200 renaming of contrapos rules
paulson [Tue, 17 Oct 2000 10:21:12 +0200] rev 10231
renaming of contrapos rules
Tue, 17 Oct 2000 10:20:43 +0200 tidying and renaming of contrapos rules
paulson [Tue, 17 Oct 2000 10:20:43 +0200] rev 10230
tidying and renaming of contrapos rules
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