src/HOL/PreList.thy
author nipkow
Mon Aug 16 14:22:27 2004 +0200 (2004-08-16)
changeset 15131 c69542757a4d
parent 14577 dbb95b825244
child 15140 322485b816ac
permissions -rw-r--r--
New theory header syntax.
     1 (*  Title:      HOL/PreList.thy
     2     ID:         $Id$
     3     Author:     Tobias Nipkow and Markus Wenzel
     4     Copyright   2000 TU Muenchen
     5 *)
     6 
     7 header{*A Basis for Building the Theory of Lists*}
     8 
     9 theory PreList
    10 import Wellfounded_Relations Presburger Recdef Relation_Power Parity
    11 begin
    12 
    13 text {*
    14   Is defined separately to serve as a basis for theory ToyList in the
    15   documentation. *}
    16 
    17 lemmas wf_induct_rule = wf_induct [rule_format, case_names less, induct set: wf]
    18   -- {* belongs to theory @{text Wellfounded_Recursion} *}
    19 
    20 end