diff options
Diffstat (limited to 'theories/QArith/Qpower.v')
| -rw-r--r-- | theories/QArith/Qpower.v | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/theories/QArith/Qpower.v b/theories/QArith/Qpower.v index 9568c796..b05ee649 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 1999-2011 *) +(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2010 *) (* \VV/ **************************************************************) (* // * This file is distributed under the terms of the *) (* * GNU Lesser General Public License Version 2.1 *) @@ -136,9 +136,9 @@ Proof. intros a [|n|n] [|m|m] H; simpl; try ring; try rewrite Qpower_plus_positive; try apply Qinv_mult_distr; try reflexivity; -case_eq ((n ?= m)%positive Eq); intros H0; simpl; +rewrite ?Z.pos_sub_spec; +case Pos.compare_spec; intros H0; simpl; subst; try rewrite Qpower_minus_positive; - try rewrite (Pcompare_Eq_eq _ _ H0); try (field; try split; apply Qpower_not_0_positive); try assumption; apply ZC2; |