src/HOL/BNF/Tools/bnf_def.ML
changeset 52844 66fa0f602cc4
parent 52813 963297a24206
child 52923 ec63c82551ae
--- a/src/HOL/BNF/Tools/bnf_def.ML	Fri Aug 02 21:52:45 2013 +0200
+++ b/src/HOL/BNF/Tools/bnf_def.ML	Fri Aug 02 22:36:31 2013 +0200
@@ -1107,7 +1107,7 @@
           in
             Goal.prove_sorry lthy [] []
               (fold_rev Logic.all (Rs @ Rs_copy) (Logic.list_implies (mono_prems, mono_concl)))
-              (mk_rel_mono_tac rel_OO_Grps (Lazy.force in_mono))
+              (K (mk_rel_mono_tac rel_OO_Grps (Lazy.force in_mono)))
             |> Thm.close_derivation
           end;