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use 'iff' modifier;
authorwenzelm
Tue, 05 Sep 2000 18:49:02 +0200
changeset 9858 c3ac6128b649
parent 9857 2f994c499bef
child 9859 2cd338998b53
use 'iff' modifier;
src/HOL/Lambda/Eta.thy file | annotate | diff | comparison | revisions 
--- a/src/HOL/Lambda/Eta.thy	Tue Sep 05 18:48:41 2000 +0200
+++ b/src/HOL/Lambda/Eta.thy	Tue Sep 05 18:49:02 2000 +0200
@@ -176,7 +176,7 @@
     apply (blast intro: r_into_rtrancl rtrancl_eta_AppL)
    apply (blast intro: r_into_rtrancl rtrancl_eta_AppR)
   apply (slowsimp intro: r_into_rtrancl rtrancl_eta_Abs free_beta
-    other: dB.distinct [iff del, simp])    (*23 seconds?*)
+    iff del: dB.distinct simp: dB.distinct)    (*23 seconds?*)
   done
 
 lemma confluent_beta_eta: "confluent (beta \<union> eta)"
isabelle