Thu, 13 May 2010 14:47:15 +0200 ballarin Merged.
Thu, 13 May 2010 13:30:16 +0200 ballarin Add mixin to base morphism, required by class package; cf ab324ffd6f3d.
Thu, 13 May 2010 13:29:43 +0200 ballarin Remove improper use of mixin in class package.
Thu, 13 May 2010 14:34:05 +0200 nipkow Multiset: renamed, added and tuned lemmas;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -4 +4 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip