diff options
Diffstat (limited to 'theories/NArith/Ndigits.v')
| -rw-r--r-- | theories/NArith/Ndigits.v | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/theories/NArith/Ndigits.v b/theories/NArith/Ndigits.v index b1f2668e6a..a356827672 100644 --- a/theories/NArith/Ndigits.v +++ b/theories/NArith/Ndigits.v @@ -503,7 +503,7 @@ Qed. Lemma N0_less_2 : forall a, Nless N0 a = false -> a = N0. Proof. induction a as [|p]; intro H. trivial. - elimtype False. induction p as [|p IHp|]; discriminate || simpl; auto using IHp. + exfalso. induction p as [|p IHp|]; discriminate || simpl; auto using IHp. Qed. Lemma Nless_trans : @@ -692,7 +692,7 @@ Definition Bnth (n:nat)(bv:Bvector n)(p:nat) : p<n -> bool. Proof. induction 1. intros. - elimtype False; inversion H. + exfalso; inversion H. intros. destruct p. exact a. |