use proper intr_names (for required case_names);
store con_defs, case_eqns, recursor_eqns, free_iffs, free_elims;
use "../settings.ML";
use_thy "Tree";
use_thy "Tree2";
use_thy "case_exprs";
use_thy "fakenat";
use_thy "natsum";
use_thy "pairs";
use_thy "Option2";
use_thy "types";
use_thy "prime_def";
use_thy "Translations";
use_thy "simp";
use_thy "Itrev";
use_thy "AdvancedInd";
use_thy "appendix";