From 8c43e795c772090b336c0f170a6e5dcab196125d Mon Sep 17 00:00:00 2001 From: Maxime Dénès Date: Fri, 22 Jun 2018 13:45:03 +0200 Subject: Remove fourier plugin As stated in the manual, the fourier tactic is subsumed by lra. --- theories/Reals/Rderiv.v | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'theories/Reals/Rderiv.v') diff --git a/theories/Reals/Rderiv.v b/theories/Reals/Rderiv.v index dfa5c7104..aaf691ed1 100644 --- a/theories/Reals/Rderiv.v +++ b/theories/Reals/Rderiv.v @@ -16,7 +16,7 @@ Require Import Rbase. Require Import Rfunctions. Require Import Rlimit. -Require Import Fourier. +Require Import Lra. Require Import Omega. Local Open Scope R_scope. @@ -77,7 +77,7 @@ Proof. elim (Rmin_Rgt (/ 2) x 0); intros a b; cut (0 < 2). intro; generalize (Rinv_0_lt_compat 2 H3); intro; fold (/ 2 > 0) in H4; apply (b (conj H4 H)). - fourier. + lra. intros; elim H3; clear H3; intros; generalize (let (H1, H2) := @@ -167,7 +167,7 @@ Proof. unfold Rabs; destruct (Rcase_abs 2) as [Hlt|Hge]; auto. cut (0 < 2). intro H7; elim (Rlt_asym 0 2 H7 Hlt). - fourier. + lra. apply Rabs_no_R0. discrR. Qed. -- cgit v1.2.3