renamed former Int.int_induct to Int.int_of_nat_induct, former Presburger.int_induct to Int.int_induct: is more conservative and more natural than the intermediate solution
no_document use_thy "Setup";
no_document use_thys ["Efficient_Nat"];
use_thy "Introduction";
use_thy "Program";
use_thy "Adaptation";
use_thy "Further";
use_thy "ML";