paulson [Thu, 10 Sep 1998 17:33:09 +0200] rev 5463
Allows more backtracking in proof reconstruction, making it slower but more
robust (avoiding PROOF FAILED)
Record type of branches, better tracing, etc.
paulson [Thu, 10 Sep 1998 17:32:07 +0200] rev 5462
a step to help a proof
paulson [Thu, 10 Sep 1998 17:30:50 +0200] rev 5461
new entries
paulson [Thu, 10 Sep 1998 17:30:24 +0200] rev 5460
deleted not_Says_to_self
paulson [Thu, 10 Sep 1998 17:29:56 +0200] rev 5459
well-formed asym rules; misc. tidying
paulson [Thu, 10 Sep 1998 17:28:36 +0200] rev 5458
in_set_butlast_appendI supersedes in_set_butlast_appendI1,2
paulson [Thu, 10 Sep 1998 17:27:50 +0200] rev 5457
tidied, fixing PROOF FAILED
paulson [Thu, 10 Sep 1998 17:27:15 +0200] rev 5456
tidied
paulson [Thu, 10 Sep 1998 17:26:53 +0200] rev 5455
tidied, eliminating hard proof
paulson [Thu, 10 Sep 1998 17:26:16 +0200] rev 5454
well-formed zless_asym; tidied
paulson [Thu, 10 Sep 1998 17:25:13 +0200] rev 5453
patch to stop failing proof
paulson [Thu, 10 Sep 1998 17:23:51 +0200] rev 5452
New theorem wf_not_sym and well-formed wf_asym
paulson [Thu, 10 Sep 1998 17:23:16 +0200] rev 5451
tided the unused rule irrefl_tranclI
paulson [Thu, 10 Sep 1998 17:20:49 +0200] rev 5450
Changed equals0E back to equals0D and gave it the correct destruct form
paulson [Thu, 10 Sep 1998 17:17:22 +0200] rev 5449
Adds order_refl, order_less_irrefl as simps, not as Iffs, to avoid PROOF FAILED