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-rw-r--r--src/ModularArithmetic/ModularBaseSystem.v2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/ModularArithmetic/ModularBaseSystem.v b/src/ModularArithmetic/ModularBaseSystem.v
index ff2c23ab8..5c0d143c2 100644
--- a/src/ModularArithmetic/ModularBaseSystem.v
+++ b/src/ModularArithmetic/ModularBaseSystem.v
@@ -74,7 +74,7 @@ Section ModularBaseSystem.
Definition carry_opp (carry_chain : list nat) (modulus_multiple : digits)
(modulus_multiple_correct : decode modulus_multiple = 0%F)
(x : digits) : digits :=
- carry_ carry_chain (opp modulus_multiple modulus_multiple_correct x).
+ carry_sub carry_chain modulus_multiple modulus_multiple_correct zero x.
Definition rep (us : digits) (x : F modulus) := decode us = x.
Local Notation "u ~= x" := (rep u x).