wenzelm [Thu, 27 Jul 1995 13:13:32 +0200] rev 1201
minor fix: instance now raises error if witness axioms don't exist;
lcp [Wed, 26 Jul 1995 17:35:23 +0200] rev 1200
Many small changes to make proofs run faster
lcp [Wed, 26 Jul 1995 16:23:42 +0200] rev 1199
Now includes all the AC files
lcp [Wed, 26 Jul 1995 11:29:57 +0200] rev 1198
tidied proof of add_less_mono
lcp [Wed, 26 Jul 1995 10:26:19 +0200] rev 1197
trivial updates to header and bibliography
lcp [Tue, 25 Jul 1995 17:31:53 +0200] rev 1196
Numerous small improvements by KG and LCP
lcp [Tue, 25 Jul 1995 17:03:59 +0200] rev 1195
match_bvs no longer puts a name in the alist if it is null ("")
lcp [Tue, 25 Jul 1995 17:03:16 +0200] rev 1194
Added weak_eq_thm and forall_intr_vars (thanks to Mark Staples)
lcp [Tue, 25 Jul 1995 17:02:34 +0200] rev 1193
Corrected mixfix declaration of @perm
lcp [Tue, 25 Jul 1995 17:02:03 +0200] rev 1192
Proved perm_length