Thu, 31 May 2001 16:50:14 +0200 oheimb added nat_not_singleton (also to simpset)
Thu, 31 May 2001 16:50:13 +0200 oheimb added Least_Suc2
Thu, 31 May 2001 16:50:04 +0200 oheimb added list_all2_trans
(0) -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip