--- a/src/HOL/PreList.thy Fri Apr 16 04:06:52 2004 +0200
+++ b/src/HOL/PreList.thy Fri Apr 16 04:07:10 2004 +0200
@@ -6,13 +6,14 @@
header{*A Basis for Building the Theory of Lists*}
-(*Is defined separately to serve as a basis for theory ToyList in the
-documentation.*)
-
theory PreList =
Wellfounded_Relations + Presburger + Recdef + Relation_Power + Parity:
-(*belongs to theory Wellfounded_Recursion*)
+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