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
paulson [Thu, 10 Sep 1998 17:15:48 +0200] rev 5448
in_set_butlast_appendI supersedes in_set_butlast_appendI1,2
nipkow [Wed, 09 Sep 1998 17:34:58 +0200] rev 5447
Proved and added rewrite rule (@x. x=y) = y to simpset.
Strange that only the symetric version was present!