tuned interfaces declare, define, finalize, merge:
  canonical argument order, produce errors;
tuned checkT';
(*  Title:      HOL/PreList.thy
    ID:         $Id$
    Author:     Tobias Nipkow and Markus Wenzel
    Copyright   2000 TU Muenchen
*)
header{*A Basis for Building the Theory of Lists*}
theory PreList
imports Wellfounded_Relations Presburger Relation_Power GCD
begin
text {*
  Is defined separately to serve as a basis for theory ToyList in the
  documentation. *}
lemmas wf_induct_rule = wf_induct [rule_format, case_names less, induct set: wf]
  -- {* belongs to theory @{text Wellfounded_Recursion} *}
end