# HG changeset patch
# User wenzelm
# Date 1481041294 -3600
# Node ID a955511171a847cc051647d7c7d2184ba952e59f
# Parent  e61de633a3eddc6f5baa123879e4c0eec05d41c8
avoid spurious messages;

diff -r e61de633a3ed -r a955511171a8 src/HOL/Decision_Procs/approximation.ML
--- a/src/HOL/Decision_Procs/approximation.ML	Sun Dec 04 13:47:56 2016 +0100
+++ b/src/HOL/Decision_Procs/approximation.ML	Tue Dec 06 17:21:34 2016 +0100
@@ -43,7 +43,7 @@
   end
 
 fun approximation_conv ctxt ct =
-  approximation_oracle (Proof_Context.theory_of ctxt, Thm.term_of ct |> tap (tracing o Syntax.string_of_term ctxt));
+  approximation_oracle (Proof_Context.theory_of ctxt, Thm.term_of ct);
 
 fun approximate ctxt t =
   approximation_oracle (Proof_Context.theory_of ctxt, t)