✐‹creator "Kevin Kappelmann"› subsection ‹Cases› theory Zippy_Instance_Cases imports Zippy_Instance_Hom_Changed_Goals_Data Cases_Tactics begin setup‹Context.theory_map ML_Gen.ground_zipper_types› ML_file‹zippy_instance_cases_data.ML› setup‹Context.theory_map ML_Gen.reset_zipper_types› end