diff options
Diffstat (limited to 'theories/QArith/Qpower.v')
| -rw-r--r-- | theories/QArith/Qpower.v | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/theories/QArith/Qpower.v b/theories/QArith/Qpower.v index 112b3738..8bd643aa 100644 --- a/theories/QArith/Qpower.v +++ b/theories/QArith/Qpower.v @@ -1,6 +1,6 @@ (************************************************************************) (* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2014 *) +(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2015 *) (* \VV/ **************************************************************) (* // * This file is distributed under the terms of the *) (* * GNU Lesser General Public License Version 2.1 *) @@ -41,6 +41,7 @@ try destruct (Qmult_integral _ _ H0); auto. Qed. Lemma Qpower_pos_positive : forall p n, 0 <= p -> 0 <= Qpower_positive p n. +Proof. intros p n Hp. induction n; simpl; repeat apply Qmult_le_0_compat;assumption. Qed. |