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src/HOL/Tools/Sledgehammer/sledgehammer_provers.ML
changeset 44915 635ae0a73688
parent 44858 d615dfa88572
child 45299 ee584ff987c3 
--- a/src/HOL/Tools/Sledgehammer/sledgehammer_provers.ML	Tue Sep 13 09:56:38 2011 +0200
+++ b/src/HOL/Tools/Sledgehammer/sledgehammer_provers.ML	Tue Sep 13 11:24:58 2011 +0200
@@ -696,9 +696,8 @@
                        SOME facts =>
                        let
                          val failure =
-                           (if is_type_enc_quasi_sound type_enc then SOME sound
-                            else NONE, facts)
-                           |> UnsoundProof
+                           UnsoundProof (is_type_enc_quasi_sound type_enc,
+                                         facts)
                        in
                          if debug then
                            (warning (string_for_failure failure); NONE)
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