paulson [Fri, 17 Oct 1997 11:00:00 +0200] rev 3912
New rewrite rules for simplifying conditionals
paulson [Fri, 17 Oct 1997 10:58:44 +0200] rev 3911
Better simplification eliminates a command from proof of psubset_card
paulson [Fri, 17 Oct 1997 10:57:48 +0200] rev 3910
New simprules imp_disj1,2 and some comments
nipkow [Fri, 17 Oct 1997 09:04:02 +0200] rev 3909
Added image_eqI to simpset.
nipkow [Fri, 17 Oct 1997 09:03:16 +0200] rev 3908
Removed image_eqI from simpset because of clash with neq_shrK.
nipkow [Thu, 16 Oct 1997 16:54:31 +0200] rev 3907
AddIffs [all_not_in_conv];
wenzelm [Thu, 16 Oct 1997 15:33:06 +0200] rev 3906
global;
nipkow [Thu, 16 Oct 1997 15:31:12 +0200] rev 3905
Modified comment.
paulson [Thu, 16 Oct 1997 15:23:53 +0200] rev 3904
New simprules imp_disj1, imp_disj2
paulson [Thu, 16 Oct 1997 15:23:25 +0200] rev 3903
New simprule diff_le_self, requiring a new proof of diff_diff_cancel