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-rw-r--r--src/Util/AdditionChainExponentiation.v1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/Util/AdditionChainExponentiation.v b/src/Util/AdditionChainExponentiation.v
index 8de191eda..803cc85c6 100644
--- a/src/Util/AdditionChainExponentiation.v
+++ b/src/Util/AdditionChainExponentiation.v
@@ -1,3 +1,4 @@
+Require Import Coq.funind.FunInd.
Require Import Coq.Lists.List Coq.Lists.SetoidList. Import ListNotations.
Require Import Coq.Numbers.BinNums Coq.NArith.BinNat.
Require Import Crypto.Util.ListUtil.