src/HOL/Induct/ROOT.ML

hardwired abbreviations for standard control symbols;

Unsynchronized.setmp quick_and_dirty true
  use_thys ["Common_Patterns"];

use_thys ["QuoDataType", "QuoNestedDataType", "Term", "SList",
  "ABexp", "Tree", "Ordinals", "Sigma_Algebra", "Comb", "PropLog", "Com"];