Sat, 04 Jun 2016 16:10:44 +0200 Integer.lcm normalizes the sign as in HOL/GCD.thy;
wenzelm [Sat, 04 Jun 2016 16:10:44 +0200] rev 63227
Integer.lcm normalizes the sign as in HOL/GCD.thy; tuned;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 tip