src/HOL/Tools/Datatype/datatype_realizer.ML
changeset 51717 9e7d1c139569
parent 46219 426ed18eba43
child 52470 dedd7952a62c
--- a/src/HOL/Tools/Datatype/datatype_realizer.ML	Tue Apr 16 17:54:14 2013 +0200
+++ b/src/HOL/Tools/Datatype/datatype_realizer.ML	Thu Apr 18 17:07:01 2013 +0200
@@ -192,8 +192,8 @@
            EVERY [
             rtac (cterm_instantiate [(cert y, cert y')] exhaust) 1,
             ALLGOALS (EVERY'
-              [asm_simp_tac (HOL_basic_ss addsimps case_rewrites),
-               resolve_tac prems, asm_simp_tac HOL_basic_ss])])
+              [asm_simp_tac (Simplifier.global_context thy HOL_basic_ss addsimps case_rewrites),
+               resolve_tac prems, asm_simp_tac (Simplifier.global_context thy HOL_basic_ss)])])
       |> Drule.export_without_context;
 
     val exh_name = Thm.derivation_name exhaust;