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src/HOL/Hyperreal/NSA.thy
changeset 15251 bb6f072c8d10
parent 15234 ec91a90c604e
child 15531 08c8dad8e399 
--- a/src/HOL/Hyperreal/NSA.thy	Mon Oct 18 13:40:45 2004 +0200
+++ b/src/HOL/Hyperreal/NSA.thy	Tue Oct 19 18:18:45 2004 +0200
@@ -1961,7 +1961,7 @@
   hence cannot belong to FreeUltrafilterNat
  -------------------------------------------*)
 lemma finite_nat_segment: "finite {n::nat. n < m}"
-apply (induct_tac "m")
+apply (induct "m")
 apply (auto simp add: Suc_Un_eq)
 done
isabelle