src/HOL/BNF/Tools/bnf_def.ML

--- a/src/HOL/BNF/Tools/bnf_def.ML	Wed Nov 06 22:50:12 2013 +0100
+++ b/src/HOL/BNF/Tools/bnf_def.ML	Wed Nov 06 23:05:44 2013 +0100
@@ -1313,7 +1313,7 @@
   end;
 
 fun register_bnf key (bnf, lthy) =
-  (bnf, Local_Theory.declaration {syntax = false, pervasive = false}
+  (bnf, Local_Theory.declaration {syntax = false, pervasive = true}
     (fn phi => Data.map (Symtab.default (key, morph_bnf phi bnf))) lthy);
 
 fun bnf_def const_policy fact_policy qualify tacs wit_tac Ds map_b rel_b set_bs =