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src/HOL/Tools/Sledgehammer/sledgehammer_provers.ML
changeset 48104 d2173ff80c57
parent 48089 fcb2292aa260
child 48130 defbcdc60fd6 
--- a/src/HOL/Tools/Sledgehammer/sledgehammer_provers.ML	Mon Jun 18 17:50:06 2012 +0200
+++ b/src/HOL/Tools/Sledgehammer/sledgehammer_provers.ML	Mon Jun 18 17:50:06 2012 +0200
@@ -764,8 +764,7 @@
                        SOME facts =>
                        let
                          val failure =
-                           if null facts then ProofIncomplete
-                           else UnsoundProof (is_type_enc_sound type_enc, facts)
+                           UnsoundProof (is_type_enc_sound type_enc, facts)
                        in
                          if debug then
                            (warning (string_for_failure failure); NONE)
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