src/HOL/Algebra/Module.thy
Fri, 06 Jul 2018 10:44:45 +0100 paulson replaced subgroup_imp_subset in Modules
Thu, 05 Jul 2018 18:27:14 +0100 paulson submodules
Tue, 03 Jul 2018 10:49:44 +0200 wenzelm eliminated hard TABs, assuming tabsize=8;
less more (0) -10 -3 tip