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src/HOL/Isar_examples/Fibonacci.thy
changeset 16417 9bc16273c2d4
parent 15439 71c0f98e31f1
child 18153 a084aa91f701 
--- a/src/HOL/Isar_examples/Fibonacci.thy	Fri Jun 17 11:35:35 2005 +0200
+++ b/src/HOL/Isar_examples/Fibonacci.thy	Fri Jun 17 16:12:49 2005 +0200
@@ -15,7 +15,7 @@
 
 header {* Fib and Gcd commute *}
 
-theory Fibonacci = Primes:
+theory Fibonacci imports Primes begin
 
 text_raw {*
  \footnote{Isar version by Gertrud Bauer.  Original tactic script by
isabelle