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| author |  letouzey <letouzey@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2009-10-08 13:39:01 +0000 |
|---|---|---|
| committer | letouzey <letouzey@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2009-10-08 13:39:01 +0000 |
| commit | 93b74b4be215bd08ca7a123505177d6ec8ac7b4c (patch) | |
| tree | cc5b80a8ba038a7c531afae977234f2afdc70699 /theories/NArith/Ndigits.v | |
| parent | bdec9fddcdaa13800e04e718ffa52f87bddc52d9 (diff) | |
Init/Tactics.v: tactic with nicer name 'exfalso' for 'elimtype False'
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12380 85f007b7-540e-0410-9357-904b9bb8a0f7
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 b1f2668e6..a35682767 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. |