src/HOL/Tools/BNF/bnf_lfp.ML
changeset 55702 63c80031d8dd
parent 55541 fd9ea8ae28f6
child 55756 565a20b22f09
--- a/src/HOL/Tools/BNF/bnf_lfp.ML	Sun Feb 23 22:51:11 2014 +0100
+++ b/src/HOL/Tools/BNF/bnf_lfp.ML	Sun Feb 23 22:51:11 2014 +0100
@@ -1406,7 +1406,7 @@
 
         val set_bss =
           map (flat o map2 (fn B => fn b =>
-            if member (op =) resDs (TFree B) then [] else [b]) resBs) set_bss0;
+            if member (op =) deads (TFree B) then [] else [b]) resBs) set_bss0;
 
         val ctor_witss =
           let