--- a/src/HOL/SetInterval.thy Mon Aug 16 14:21:54 2004 +0200
+++ b/src/HOL/SetInterval.thy Mon Aug 16 14:22:27 2004 +0200
@@ -9,7 +9,9 @@
header {* Set intervals *}
-theory SetInterval = IntArith:
+theory SetInterval
+import IntArith
+begin
constdefs
lessThan :: "('a::ord) => 'a set" ("(1{..<_})")