(* Title: HOL/PreList.thy
ID: $Id$
Author: Tobias Nipkow and Markus Wenzel
Copyright 2000 TU Muenchen
A basis for building theory List on. Is defined separately to serve as a
basis for theory ToyList in the documentation.
*)
theory PreList =
Wellfounded_Relations + NatSimprocs + Recdef + Relation_Power:
(*belongs to theory Divides*)
declare dvdI [intro?] dvdE [elim?] dvd_trans [trans]
(*belongs to theory Nat*)
lemmas less_induct = nat_less_induct [rule_format, case_names less]
(*belongs to theory Wellfounded_Recursion*)
lemmas wf_induct_rule = wf_induct [rule_format, case_names less, induct set: wf]
end