src/HOL/Induct/ROOT.ML

proper instantiation of mk_left_commute;

time_use_thy "Mutil";
time_use_thy "Term";
time_use_thy "ABexp";
time_use_thy "Tree";
time_use_thy "Ordinals";
time_use_thy "Sigma_Algebra";
time_use_thy "Comb";
time_use_thy "PropLog";
time_use_thy "SList";
time_use_thy "LFilter";