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-rw-r--r--src/Specific/X25519/C64/ArithmeticSynthesisTest.v2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/Specific/X25519/C64/ArithmeticSynthesisTest.v b/src/Specific/X25519/C64/ArithmeticSynthesisTest.v
index f4ef43f20..6994e13be 100644
--- a/src/Specific/X25519/C64/ArithmeticSynthesisTest.v
+++ b/src/Specific/X25519/C64/ArithmeticSynthesisTest.v
@@ -52,6 +52,8 @@ Section Ops.
Lemma sz_nonzero : sz <> 0%nat. Proof. vm_decide. Qed.
Lemma wt_nonzero i : wt i <> 0.
Proof. eapply pow_ceil_mul_nat_nonzero; vm_decide. Qed.
+ Lemma wt_nonneg i : 0 <= wt i.
+ Proof. apply pow_ceil_mul_nat_nonneg; vm_decide. Qed.
Lemma wt_divides i : wt (S i) / wt i > 0.
Proof. apply pow_ceil_mul_nat_divide; vm_decide. Qed.
Lemma wt_divides' i : wt (S i) / wt i <> 0.