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src/HOL/Tools/TFL/casesplit.ML
changeset 58950 d07464875dd4
parent 58354 04ac60da613e
child 59621 291934bac95e 
--- a/src/HOL/Tools/TFL/casesplit.ML	Sat Nov 08 17:39:01 2014 +0100
+++ b/src/HOL/Tools/TFL/casesplit.ML	Sat Nov 08 21:31:51 2014 +0100
@@ -122,7 +122,7 @@
       (* check if we are a member of splitths - FIXME: quicker and
       more flexible with discrim net. *)
       fun solve_by_splitth th split =
-        Thm.biresolution false [(false,split)] 1 th;
+        Thm.biresolution (SOME ctxt) false [(false,split)] 1 th;
 
       fun split th =
         (case find_thms_split splitths 1 th of
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