src/HOL/Tools/Nitpick/kodkod.ML
changeset 35187 3acab6c90d4a
parent 35185 9b8f351cced6
child 35280 54ab4921f826
--- a/src/HOL/Tools/Nitpick/kodkod.ML	Wed Feb 17 12:14:21 2010 +0100
+++ b/src/HOL/Tools/Nitpick/kodkod.ML	Wed Feb 17 13:38:02 2010 +0100
@@ -1019,8 +1019,8 @@
     val indexed_problems = if j >= 0 then
                              [(j, nth problems j)]
                            else
-                             filter (is_problem_trivially_false o snd)
-                                    (0 upto length problems - 1 ~~ problems)
+                             filter_out (is_problem_trivially_false o snd)
+                                        (0 upto length problems - 1 ~~ problems)
     val triv_js = filter_out (AList.defined (op =) indexed_problems)
                              (0 upto length problems - 1)
     (* int -> int *)