2017-12-05 14:15
algebra/module.lean
refactor(algebra/module): rename submodule -> is_submodule, smul_left_distrib -> smul_add, smul_right_distrib -> add_smul, smul_sub_left_distrib -> smul_sub, sub_smul_right_distrib -> sub_smul
Added is_submodule.neg