diff options
Diffstat (limited to 'theories/QArith/Qreals.v')
| -rw-r--r-- | theories/QArith/Qreals.v | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/theories/QArith/Qreals.v b/theories/QArith/Qreals.v index e6f7e7ac9..c83296259 100644 --- a/theories/QArith/Qreals.v +++ b/theories/QArith/Qreals.v @@ -1,9 +1,11 @@ (************************************************************************) -(* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2017 *) +(* * The Coq Proof Assistant / The Coq Development Team *) +(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *) +(* <O___,, * (see CREDITS file for the list of authors) *) (* \VV/ **************************************************************) -(* // * This file is distributed under the terms of the *) -(* * GNU Lesser General Public License Version 2.1 *) +(* // * This file is distributed under the terms of the *) +(* * GNU Lesser General Public License Version 2.1 *) +(* * (see LICENSE file for the text of the license) *) (************************************************************************) Require Export Rbase. @@ -165,8 +167,8 @@ unfold Qinv, Q2R, Qeq; intros (x1, x2). case x1; unfold Qnum, Qden. simpl; intros; elim H; trivial. intros; field; auto. intros; - change (IZR (Zneg x2)) with (- IZR (' x2))%R; - change (IZR (Zneg p)) with (- IZR (' p))%R; + change (IZR (Zneg x2)) with (- IZR (Zpos x2))%R; + change (IZR (Zneg p)) with (- IZR (Zpos p))%R; simpl; field; (*auto 8 with real.*) repeat split; auto; auto with real. Qed. |