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-rw-r--r--plugins/extraction/ExtrHaskellZInteger.v2
1 files changed, 2 insertions, 0 deletions
diff --git a/plugins/extraction/ExtrHaskellZInteger.v b/plugins/extraction/ExtrHaskellZInteger.v
index f192f16e..f7f9e2f8 100644
--- a/plugins/extraction/ExtrHaskellZInteger.v
+++ b/plugins/extraction/ExtrHaskellZInteger.v
@@ -1,5 +1,7 @@
(** Extraction of [Z] into Haskell's [Integer] *)
+Require Coq.extraction.Extraction.
+
Require Import ZArith.
Require Import ExtrHaskellZNum.