Wed, 04 Apr 2007 00:11:03 +0200 removed obsolete sign_of/sign_of_thm;
wenzelm [Wed, 04 Apr 2007 00:11:03 +0200] rev 22578
removed obsolete sign_of/sign_of_thm;
(0) -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip