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src/HOL/Tools/function_package/pattern_split.ML
changeset 25538 58e8ba3b792b
parent 25402 0a1005435e11
child 27330 1af2598b5f7d 
--- a/src/HOL/Tools/function_package/pattern_split.ML	Wed Dec 05 14:15:59 2007 +0100
+++ b/src/HOL/Tools/function_package/pattern_split.ML	Wed Dec 05 14:16:05 2007 +0100
@@ -48,7 +48,7 @@
                             
 
 fun join ((vs1,sub1), (vs2,sub2)) = (merge (op aconv) (vs1,vs2), sub1 @ sub2)
-fun join_product (xs, ys) = map join (product xs ys)
+fun join_product (xs, ys) = map_product (curry join) xs ys
 
 fun join_list [] = []
   | join_list xs = foldr1 (join_product) xs
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