src/HOL/Probability/Probability_Mass_Function.thy
Thu, 15 Sep 2016 11:48:20 +0200 nipkow renamed listsum -> sum_list, listprod ~> prod_list
Fri, 12 Aug 2016 17:53:55 +0200 wenzelm more symbols;
less more (0) -30 -10 -2 tip