src/HOL/PreList.thy

make preorder locale into a superclass of class po

(*  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 Record Presburger SAT Recdef Extraction Relation_Power
begin

text {*
  This is defined separately to serve as a basis for
  theory ToyList in the documentation.
*}

end