wenzelm [Fri, 31 Mar 1995 15:08:49 +0200] rev 994
replaced 'arities' by 'instance';
lcp [Fri, 31 Mar 1995 12:22:16 +0200] rev 993
Simplified using pattern replacements. Added the AC example.
lcp [Fri, 31 Mar 1995 11:55:29 +0200] rev 992
New example of AC Equivalences by Krzysztof Grabczewski
lcp [Fri, 31 Mar 1995 11:39:47 +0200] rev 991
New example of AC Equivalences by Krzysztof Grabczewski
lcp [Fri, 31 Mar 1995 11:08:35 +0200] rev 990
Tried the new addss in many proofs, and tidied others involving simplification.
lcp [Fri, 31 Mar 1995 10:58:14 +0200] rev 989
Tried the new addss in a proof.
lcp [Fri, 31 Mar 1995 02:00:29 +0200] rev 988
Defined addss to perform simplification in a claset.
Precedence of addcongs is now 4 (to match that of other simplifier infixes)