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-rw-r--r--src/Spec/CompleteEdwardsCurve.v2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/Spec/CompleteEdwardsCurve.v b/src/Spec/CompleteEdwardsCurve.v
index 05f61f159..770a2d02d 100644
--- a/src/Spec/CompleteEdwardsCurve.v
+++ b/src/Spec/CompleteEdwardsCurve.v
@@ -20,7 +20,7 @@ Module E.
Context {a d: F}.
Class twisted_edwards_params :=
{
- char_gt_2 : @Ring.char_gt F Feq Fzero Fone Fopp Fadd Fsub Fmul BinNat.N.two;
+ char_gt_2 : @Ring.char_gt F Feq Fzero Fone Fopp Fadd Fsub Fmul (BinNat.N.succ_pos BinNat.N.one);
nonzero_a : a <> 0;
square_a : exists sqrt_a, sqrt_a^2 = a;
nonsquare_d : forall x, x^2 <> d