Tue, 18 Aug 1998 10:27:14 +0200 paulson ZF.thy
Tue, 18 Aug 1998 10:25:13 +0200 paulson new theorem Un_Diff_Int
Tue, 18 Aug 1998 10:24:54 +0200 paulson added comment
(0) -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip